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Project_CodeNet
2,019
#include <bits/stdc++.h> #include <cmath> using namespace std; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define sz(x) ll(x.size()) typedef long long ll; typedef pair<int, int> P; //typedef pair<ll, ll> P; //const double INF = 1e10; const ll INF = 10e10; const ll MINF = -10e10; //const int INF = INT_MAX; #define ...
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Project_CodeNet
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#include <bits/stdc++.h> #include <iostream> #include <iomanip> #include <ios> #include <vector> #include <string> #include <algorithm> #include <functional> #include <queue> #include <stack> #include <set> #include <cmath> #include <bitset> #include <map> using namespace std; typedef long long ll; #define mp make_pair...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i< (n); ++i) #define vvec(m,n) vector<vector<int>> (int(m), vector<int>(n)) #define ALL(a) (a).begin(), (a).end() using ll = long long; int main(){ int AB, BC, CA; cin >> AB >> BC >> CA; cout << (AB * BC) / 2 << endl; }
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int ab; //辺AB int bc; //辺BC int ca; //辺cb int s; // 面積 cin >> ab >> bc >> ca; //各辺の値の入力 s = ((ab * bc) / 2); //面積を求める cout << s << '\n'; //面積を表示 }
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<string> #include<numeric> #include<vector> using namespace std; int main(){ int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; return 0; }
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Project_CodeNet
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#include <algorithm> #include <cmath> #include <iostream> #include <queue> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; int main() { vector<int> a(3); cin >> a[0] >> a[1] >> a[2]; sort(a.begin(), a.end()); cout << a[0] * a[1] * 0.5 << endl; return 0...
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Project_CodeNet
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#include <bits/stdc++.h> #define all(x) (x).begin(), (x).end() using namespace std; typedef long long ll; const int MOD = 1e9 + 7; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2.0 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #include <iostream> #include <string> using namespace std; int main(){ int a,b,c,d; cin >> a >> b >> c; d = b * a / 2; cout << d << endl; }
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Project_CodeNet
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#include<iostream> main(){int a,b;std::cin>>a>>b;std::cout<<a*b/2;}
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Project_CodeNet
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#include <bits/stdc++.h> typedef long long ll; typedef long double ld; const int INF=1e9,MOD=1e9+7,ohara=1e6; const ll LINF=1e18; using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);(i)++) #define rrep(i,a,b) for(int i=(a);i<(b);i++) #define rrrep(i,a,b) for(int i=(a);i>=(b);i--) #define all(v) (v).begin(...
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Project_CodeNet
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#define _USE_MATH_DEFINES #include <iostream> #include <string> #include <algorithm> #include <vector> #include <cmath> #include <map> #include <iomanip> #include <deque> #include <set> #include <climits> #include <memory> #include <numeric> #include <utility> #define rep(i,a,b) for(int i=a;i<b;++i) #define rrep(i,...
1,504
Project_CodeNet
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#include<bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std ; typedef long long ll ; const int mod=1000000007 ; void solve(){ int a,b,c ; cin>>a>>b>>c ; priority_queue<int,vector<int>,greater<int>> q ; q.push(a) ; q.push(b) ; q.push(c) ; int prod=1 ; for(int i=0;i<2;i++){ ...
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Project_CodeNet
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#include <algorithm> #include <cstdio> #include <cstdlib> #include <cmath> #include <functional> #include <queue> #include <set> #include <stack> #include <utility> #include <vector> using namespace std; typedef pair<int, int> P; int main() { int a, b, c; scanf("%d %d %d", &c, &a, &b); int m = max(a, max(...
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Project_CodeNet
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#include <iostream> using namespace std; int main(){ int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; }
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Project_CodeNet
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#include<iostream> int main(){ int ab, bc, ca; std::cin >> ab >> bc >> ca; std::cout << (bc * ab) / 2 << std::endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; using P = pair<ll, ll>; using mat = vector<vector<ll>>; void IOS() { ios::sync_with_stdio(false), cin.tie(0); } const ll INF = 1e16; const ll MOD = 1e9 + 7; ll mod(ll a) { if (a > 0) return a % MOD; if (a % MOD == 0) return 0; ll x = -a / MOD +...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define int long long signed main(){ int a[5]; for(int i=0;i<3;i++) cin>>a[i]; sort(a,a+3); int ans=(a[0]*a[1])/2; cout<<ans; return 0; }
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Project_CodeNet
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#include <iostream> # include <bits/stdc++.h> using namespace std; int main(void){ // Your code here! int a,b,c; cin >> a >> b >> c; int ans = a*b/2; cout << ans << endl; }
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Project_CodeNet
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#include<iostream> #include<vector> #include<algorithm> #include<cmath> #include<utility> #include<stack> #include<queue> #include<map> #include<set> using namespace std; #define FOR(i, a, n) for(int i = (int)(a); i < (int)(n); ++i) #define REP(i, n) FOR(i, 0, n) #define PRINT(str) printf(#str "\n") #define yOUT PRI...
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<set> #include<string> #include<cstring> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; }
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Project_CodeNet
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#include<iostream> #include<math.h> using namespace std; int main(){ double a,b,c,d=0,e=0; cin>>a>>b>>c; if(a>b && a>c){ a=(c*b)/2; cout<<a; } if(b>a && b>c){ b=(a*c)/2; cout<<b; } if(c>a && c>b){ c=(a*b)/2; cout<<c; ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i,j,n) for(int i=j;i<n;++i) #define all(i) i.begin(),i.end() #define rall(i) i.rbegin(), i.rend() #define INF 1e9 #define LINF 1e18 const int mod = 1e9 + 7; typedef long long i64; typedef pair<int, int> pi; template <class T> using vt = vector<T>; template <c...
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<string> using namespace std; int b[100000]; signed main(){ int a,b,c,d; cin>>a>>b>>c; cout<<a*b/2<<"\n"; return(0); }
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Project_CodeNet
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#include <bits/stdc++.h> #include <iostream> #include <vector> #include <string> #include <numeric> #include <iostream> #include <cmath> #include <algorithm> #include <iomanip> #include <queue> #define rep(i,n) for(int i=0;i<n;i++) #define dup(x,y) (((x)+(y)-1)/(y)) // dup * y >= x なる最小のdup. using namespace std; typed...
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Project_CodeNet
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#include <iostream> #include <string> #include <sstream> #include <iomanip> #include <math.h> #include <stdio.h> #include <string.h> #include <queue> #include <stack> #include <vector> #include <map> #include <set> #include <functional> #include <algorithm> #include <unordered_map> #include <unordered_set> #include <b...
128
Project_CodeNet
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#include <iostream> #include <cstring> #include <algorithm> using namespace std; int a[4]; int main() { scanf("%d%d%d", &a[1], &a[2], &a[3]); sort(a + 1, a + 3 + 1); printf("%d\n", a[1] * a[2] / 2); }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> P; #define rep(i,m,n) for(int i=m;i<n;i++) ll mod=1e9+7; int main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; void Main() { int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2; } int main(void) { std::ios::sync_with_stdio(false); std::cin.tie(0); //std::cout << std::fixed << std::setprecision(10); #ifdef DEBUG_BUILD while (true) { ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define REP(i, k, n) for(int i = k; i < (int)(n); i++) using ll = long long; int main() { int a, b, c; cin >> a >> b >> c; cout << (a * b / 2) << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; }
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Project_CodeNet
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#include <iostream> #include <cmath> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; int O, s, U, P; O = a+b+c; s = O/2; U = s*(s-a)*(s-b)*(s-c); P = sqrt(U); cout << P; }
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; // GNU C Compiler //template<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); } // type using ll = int_fast64_t; using ull = uint_fast64_t; using LL = long long; using ULL = unsigned long long; using PII = pair<int, int>; //using pa...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; #define forn for(int i=0;i<n;i++) int main() { int a,b,c; cin>>a>>b>>c; int p=(a+b+c)/2; cout<<sqrt(p*(p-a)*(p-b)*(p-c)); return 0; }
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Project_CodeNet
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#include<iostream> using namespace std; int main(void){ int AB, BC, CA; cin >> AB >> BC >> CA; cout << AB*BC/2 << endl; }
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Project_CodeNet
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#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <string> #include <sstream> #include <complex> #include <vector> #include <list> #include <queue> #include <deque> #include <stack> #include <map> #include <set> using namespace std; int main(){ int a1,a2,a3; ...
105
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; int a, b, c; int main(){ scanf("%d %d %d", &a, &b, &c); int area = a*b/2; printf("%d", area); return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #define PI 3.1415926535897932 #define MOD 1000000007 #define INF 1e9 #define REP(i, n) for(int i = 0; i < (n); i++) #define REP1(i, n) for(int i = 1; i <= (n); i++) #define FOR(i, start, end) for(int i = (start); i < (end); i++) #define ALL(v) (v).begin(), (v).end() using namespace std; typ...
230
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll,ll>; #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) int main(){ ios::sync_with_stdio(false); cin.tie(0); int ab,bc,ca;cin>>ab>>bc>>ca; cout<<ab*bc/2<<endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <iomanip> #include <fstream> #include <string> #include <vector> #include <array> #include <map> #include <set> #include <stack> #include <cstdint> #include <cmath> #include <algorithm> #include <utility> #include <numeric> #include <functional> #include <cassert> using namespace std; type...
324
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(a*a+b*b==c*c) cout<<a*b/2<<endl; if(a*a+c*c==b*b) cout<<a*c/2<<endl; if(b*b+c*c==a*a) cout<<b*c/2<<endl; return 0; }
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<vector> #include<queue> #include<stack> #include<string> #include<map> #include<set> #include<tuple> #include<cmath> #include<iomanip> #define MOD 1000000007 #define INF 1001001001 #define MIN -1001001001 #define rep(i,k,N) for(int i=k;i<N;i++) #define MP make_pair #def...
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Project_CodeNet
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#include <iostream> #include <string.h> #include <algorithm> #include <vector> #include <math.h> #include <queue> #include <stack> using namespace std; int main(void){ int a,b,c; cin>>a>>b>>c; int m=max({a,b,c}); int ans=(a*b*c)/m/2; cout<<ans; return 0; }
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Project_CodeNet
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#include <iostream> #include <cstdio> #include <vector> #include <map> #include <queue> #include <string> #include <set> #include <algorithm> #include <utility> #include <cstring> #include <cmath> #include <cassert> #include <deque> using namespace std; #define int64_t long long constexpr int64_t MOD=1e9+7; int main() ...
115
Project_CodeNet
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#include<iostream> #include<vector> #include<string> #include<math.h> #include<algorithm> #include<numeric> #include<list> #include<stack> using namespace std; typedef long long LL; typedef unsigned long long ULL; typedef vector<LL> VLL; typedef vector<ULL> VULL; typedef signed short Hitoketa; class MYCP { public: ...
1,952
Project_CodeNet
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#include <iostream> #include <algorithm> #include <string> #include <queue> #include <vector> #include <cstdio> #include <cstring> //#include<bits/stdc++.h> #define ll long long int #define ull unsigned long long int #define I(a) scanf("%d",&a) #define I2(a,b) scanf("%d%d",&a,&b) #define I3(a,b,c) scanf("%d%d%d",&a,&...
904
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include<string> #include<algorithm> #include<vector> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main (){ int t,x; cin >> t >> x; cout <<t*x/2 <<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(void){ int data[3]; for(int i=0;i<3;i++){ cin >> data[i]; } sort(data,data+3); cout << data[0] * data[1] /2 <<endl; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define ll long long #define lvector vector<ll> #define P pair<ll,ll> #define rep(i,n) for(ll (i)=0; (i)<(n); ++(i)) #define print(a) cout << (a) << endl int main() { ios::sync_with_stdio(false); cin.tie(0); ll ab,bc,ca;cin>>ab>>bc>>ca; const ll ans=ab*bc/2; prin...
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Project_CodeNet
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//============================================================================ // Name : JOI.cpp // Author : // Version : // Copyright : Your copyright notice // Description : Hello World in C++, Ansi-style //============================================================================ #include <iostr...
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; using ll = long long; using ld = long double; const double PI = 3.1415926535897932384626433832795; const int dx[] = { 0, 1, 0, -1 }; const int dy[] = { -1, 0, 1, 0 }; int gcd(int x, int y) { return y ? gcd(y, x % y) : abs(x); } ll gcd(ll x, ll y) { return y ? gcd(y, x ...
216
Project_CodeNet
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#include <bits/stdc++.h> #define ll long long #define ull unsigned long long #define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll inf = 1LL << 55; ll mod = 1000000007; using namespace std; int main(){ FAST; //freopen("in.in", "r", stdin); int ab, bc, ac; cin >> ab >> bc >> ac; ...
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Project_CodeNet
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#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; int main() { int A,B; cin >>A>>B; cout<< A*B*0.5; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int a,b,c; int main(){ scanf("%d %d %d",&a,&b,&c); printf("%d",a*b/2); }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ int a, b, c; cin >> a >> b >> c; int maxn = max(a, max(b, c)); int ans = 1; if(a != maxn)ans *= a; if(b != maxn)ans *= b; if(c != maxn)ans *= c; cout << ans/2 << endl; return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> #define LL long long #define REP(i,n) for(int i=0;i<(n);++i) #define REPA(i,n) for(int i=1;i<(n);++i) #define PII pair<int,int> #define PLI pair<long long, int> #define PLL pair<long long, long long> #define PDD pair<double, double> #define MOD ((int)1e9 + 7) #define INF ((int)1e9) #define INFLL...
415
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ vector<int> v(3); for(int i=0;i<3;i++){ cin >> v.at(i); } sort(v.begin(),v.end()); cout << v.at(0)*v.at(1)/2 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << endl; }
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Project_CodeNet
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#include<iostream> #include<iomanip> #include<algorithm> #include<cmath> #include<map> #include<numeric> #include<set> #include<string> #include<utility> #include<vector> #define YES cout << "YES" << endl #define NO cout << "NO" << endl #define rep(i, a, n) for(int i=a; i<n; i++) #define per(i, a, n) for(int i=n-1...
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Project_CodeNet
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#include "bits/stdc++.h" #define fi first #define se second #define pb push_back #define mp make_pair #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define all(s) s.begin(), s.end() using namespace std; typedef long long i...
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Project_CodeNet
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#include<iostream> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; cout << a*b/2; return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define F first #define S second #define pb push_back #define mp make_pair #define mod 1000000007 #define vlli vector<ll> #define vi vector<int> #define vs vector<string> #define vplli vector< pair< ll,ll> > #define plli pair< ll,l...
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Project_CodeNet
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#include <iostream> using namespace std; int main(){ int c, a, b, ans; cin >> c >> a >> b; ans = c * a / 2; cout << ans << endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) typedef long long ll; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << setprecision(20); int a, b, c; cin >> a >> b >> c; cout <<...
125
Project_CodeNet
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#include<iostream> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(b*b+c*c==a*a) cout<<b*c/2; if(a*a+c*c==b*b) cout<<a*c/2; if(b*b+a*a==c*c) cout<<a*b/2; return 0; }
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Project_CodeNet
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#include <iostream> using namespace std; int main(void) { int ab, bc; cin >> ab >> bc; cout << ab * bc / 2 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) #define repr(i, n) for (int i = (n); i >= 0; --i) #define FOR(i, m, n) for (int i = (m); i < (n); ++i) #define FORR(i, m, n) for (int i = (m); i >= (n); --i) #define ifaxb(a, x, b) if (a < x && x < b) // 比較は昇順 #define vi vector<int> #define vii v...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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Project_CodeNet
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#include<iostream> using namespace std; int main(void){ int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; }
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Project_CodeNet
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#include<iostream> #include<string> #include<algorithm> using namespace std; int main() { //min(a,b)...a,bの小さいほう //max(a,b)... 大きいほう int a; int b; int c; int d; int e; std::cin >> a >> b >> c; cout << a * b / 2 << "\n"; std::cin >> e; }
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int a,b,c; cin >> a >> b >> c; if(c>a&&c>b) cout << (a*b/2) << endl; if(b>a&&b>c) cout << (a*c/2) << endl; if(a>b&&a>c) cout << (c*b/2) << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = s; i < (int)(n); i++) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() using namespace std; using ll = long ...
229
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define sz(v) ((int)((v).size())) #define clr(v, d) memset(v, d, sizeof(v)) #define rep(i, v) for(int i=0; i<sz(v); ++i) #define lp(i, n) for(int i=0; i<(int)(n); ++i) #define lpi(i, j, n) for(int i=(j); i<(int)(n); ++i) #define lpd(i, j, n...
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Project_CodeNet
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/** * File : a.cpp * Author : recurze * Date : 23:55 20.01.2019 * Last Modified Date: 23:55 20.01.2019 */ #include <cstdio> void readInput(); void solve(); void printAns(); int main() { int t = 1; //(void)scanf("%d", &t); for (int tc = 1; tc <= t; ++tc) { ...
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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; #define int long long #define vvi vector<vector<int>> #define vec vector #define pq priority_queue #define all(v) (v).begin(), (v).end() #define uniqueV(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define rep(i, n) for (int (i) = (0); (i) < (...
537
Project_CodeNet
2,020
#include <stdio.h> #include <iostream> #include <vector> #include <algorithm> #include <functional> #include <cstdlib> #include <list> #include <numeric> #define rep(i,n) for(int i=0;i<n;i++) #define all(x) (x).begin(),(x).end() using namespace std; int a, b, c, n; string s; int main() { cin>>a>>b>>c; cout<<...
103
Project_CodeNet
2,019
#include <iostream> #include <sstream> #include <vector> #include <set> #include <numeric> #include <cmath> #include<algorithm> using namespace std; //ユーティリティ #define INF 1e9 #define all(v) v.begin(), v.end() #define rep(i,n) for(int i=0; i<n; i++) #define vmax(v) *max_element(all(v)) #define vmin(v) *min_element(all...
1,189
Project_CodeNet
2,020
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { vector<int> A(3, 0); cin >> A[0] >> A[1] >> A[2]; sort(A.begin(), A.end()); printf("%d\n", (A[0] * A[1]) / 2); }
77
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const long long INF = 1LL << 60; typ...
477
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = 1e9; const int MOD = 1e9 + 7; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
77
Project_CodeNet
2,019
#include <iostream> #include <algorithm> using namespace std; int a[3]; int main(){ for (int i = 0; i < 3; ++i) cin >> a[i]; sort(a, a+3); cout << a[0]*a[1]/2; }
61
Project_CodeNet
2,019
#include <bits/stdc++.h> #define int long long #define ll long long #define rep(i,n) for(int i=0;i<n;i++) #define INF LLONG_MAX/3 #define eps LDBL_EPSILON #define moder 100000 #define pie 3.141592653589793238462643383279 #define P std::pair<int,int> #define prique priority_queue using namespace std; signed main(){ int...
123
Project_CodeNet
2,020
#include <iostream> using namespace std; int main() { int AB, BC, CA; std::cin >> AB >> BC >> CA; cout << (AB * BC) / 2 << endl; }
46
Project_CodeNet
2,019
#include<iostream> #include<algorithm> #include<cmath> using namespace std; int main() { int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; }
44
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << (a * b) / 2 << endl; return 0; }
52
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main(){ int c, a, b; cin >> c >> a >> b; int s = (c + a + b) / 2.0; cout << pow(s * (s - a) * (s - b) * (s - c), 0.5) << endl; }
82
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
45
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<a*b/2<<endl; }
39
Project_CodeNet
2,020
/* Templatka c++ Kacper Fis // */ #include <bits/stdc++.h> using namespace std; ...
544
Project_CodeNet
2,019
#include "bits/stdc++.h" using namespace std; using ll = long long; const double pi = acos(-1); #define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++) #define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define __GET_MACRO3(_1, _2, ...
387
Project_CodeNet
2,019
#include <algorithm> #include <vector> #include <cmath> #include <tuple> #include <cmath> #include <algorithm> #include <map> #include <iomanip> #include <queue> #include <numeric> #include <iostream> using namespace std; int main() { int ab, bc, ca; cin >> ab >> bc >> ca; cout << (ab * bc / 2) << "\n";...
90
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); vector<int> vec(3); for (int i = 0; i < 3; i++) { cin >> vec[i]; } sort(vec.begin(), vec.end()); cout << (vec[0] * vec[1]) / 2 << '\n'; return 0; }
92
Project_CodeNet
2,019
#include<iostream> using namespace std; int main() { int x, y, z; cin >> x >> y >> z; z = x * y / 2; cout << z << endl; return 0; }
46
Project_CodeNet
2,019
#include <vector> #include <list> #include <map> #include <set>//2分探索木 #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <cstdio> #include <cmath> #include <cstdlib> #i...
2,026
Project_CodeNet
2,020
#include <iostream> #include <iomanip> typedef long long ll; using namespace std; const ll INF = 1e9; const ll MOD = 1e9 + 7; #define repi(i,n,init) for(ll i=init;i<(n);i++) int main() { int a,b; cin >> a >> b; cout << a * b / 2 << endl; return 0; }
95
Project_CodeNet
2,020
#include<iostream> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; cout<<(a*b)/2; }
35
Project_CodeNet
2,020
#include <algorithm> #include <iostream> #include <vector> #include <string> #include <climits> // FOO_MAX, FOO_MIN #include <cmath> #include <cstdlib> // abs(int) #include <numeric> #include <iomanip> #include <map> using namespace std; #define roundup(n,d) ( ((n) + ((d)-1)) / (d) ) #define assign_max(into, compare...
242