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Project_CodeNet
2,019
#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++) using namespace std; int main() { int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; }
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#include<iostream> #include<stdio.h> #include<math.h> #include<algorithm> #include<vector> #include<cstdlib> #include<map> #include<fstream> #include<string> #include<sstream> #include<iomanip> #include<stdio.h> #include<iostream> #include<numeric> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; ...
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#include <iostream> #include <vector> #include <map> #include <string> #include <utility> #include <algorithm> #include <bitset> #include <numeric> #include <math.h> #include <tuple> #include <queue> #include <set> using namespace std; typedef long long ll; const ll INF = 1LL<<60; template<class T> inline bool chmin...
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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; int ans=a*b; ans=ans/2; cout<<ans; }
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#include <cstdio> #include <algorithm> using namespace std; int main() { int a,b,c; int d; scanf("%d %d %d", &a,&b,&c); printf("%d",(a*b)/2); }
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#include <bits/stdc++.h> using namespace std; using ll=long long;using ull=unsigned ll; using vi=vector<int>;using vvi=vector<vi>;using vl=vector<ll>; using P=pair<int,int>;using PL=pair<ll,ll>; const int INF=1<<30,MOD=1000000007;const ll LINF=1ll<<60; #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) _repi(...
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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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#include<iostream> #include<algorithm> #include<vector> #include<string> #include<cmath> #include<map> #include<stack> #include<queue> #include<bitset> #define ipair pair<int,int> #define rep(i,n) for(i=0;i<n;i++) using namespace std; typedef long long int lli; typedef vector<int> vi; int main() { int a, b, c; c...
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Project_CodeNet
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#include <iostream> #include<vector> #include<algorithm> #include<string> using namespace std; int main() { int a, b; cin >> a >> b; cout<<(a*b / 2); return 0; }
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#include <iostream> using namespace std; int main() { int ab,bc; cin >> ab >> bc; cout << ab * bc / 2; }
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; typedef long long ll; #define INF (1<<30) #define INFLL (1ll<<60) typedef pair<int, int> P; typedef pair<int, P> E; #define MOD (1000000007ll) #define l_ength size void mul_mod(ll& a, ll b){ a *= b; a %= MOD; } void add_mod(ll& a, ll b){ b += MOD; a += b; a %= MOD; }...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i, a) for(int i=0; i<(a); i++) typedef long long ll; #ifdef _DEBUG inline void dump() { cerr << endl; } template<typename Head> void dump(Head&& head) { cerr << head; dump(); } template<typename Head, typename... Tail> void dump(Head&& head, Tail&&... tail) { c...
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Project_CodeNet
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#include <iostream> #include <vector> #include <cstdio> #include <queue> using namespace std; typedef long long ll; int main() { ll 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 <iostream> #include <vector> #include <string> #include <algorithm> #include <cmath> using namespace std; int main() { int A, B, C; cin >> A >> B >> C; int pA, pB, pC; pA = pow(A, 2); pB = pow(B, 2); pC = pow(C, 2); if(pA + pB == pC) { cout << A * B / 2 << endl; } else if (pA + pC == pB) { cou...
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int a; cin >> a; int b; cin >> b; int c; cin >> c; cout << a*b/2 << endl; }
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Project_CodeNet
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#include <iostream> using namespace std; int main() { unsigned int ab, bc, ca; cin >> ab >> bc >> ca; cout << (ab * bc / 2) << endl; }
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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 <bits/stdc++.h> using namespace std; int main() { int ab,bc,ca,s; cin >> ab >> bc >> ca; s = ab * bc / 2; cout << s << endl; }
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Project_CodeNet
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#include<iostream> 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 <bits/stdc++.h> using namespace std; int main() { int a,b,c; cin >> a >> b >> c; if(max(max(a,b),c) == a) { cout << b * c / 2; } else if(max(max(a,b),c) == b) { cout << c * a / 2; } else { cout << a * b / 2; } return 0; }
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <iomanip> using namespace std; using ll = long long; #define pi 3.1415926 int a[3]; int main(){ int a, b, c; cin >> a >> b >> c; cout << b * a / 2; }
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#include <iostream> using namespace std; int main(){ int a,b,c; int ans; cin >> a >> b >> c; ans = (a*b)/2; cout << ans << endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> P; typedef pair<ll, ll> Pll; using Graph = vector<vector<int>>; #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++) #define RRep(i, k, n) for (int i...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> c >> a >> b; cout << c * a / 2 << endl; }
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Project_CodeNet
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#include <iostream> using namespace std; int main() { unsigned 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 <iostream> using namespace std; int main() { int c, a, b; cin >> c >> a >> b; cout << c * a / 2 << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <stdio.h> #include <vector> #include <math.h> 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> using namespace std; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } const long long INF = 1LL<<60; int a,b,c; int main() { cin >> a >> b >> c;...
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Project_CodeNet
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#include<iostream> #include<vector> #include<algorithm> using namespace std; int main(){ vector<int> side(3); for(int i = 0; i < 3; i++){ cin >> side.at(i); } sort(side.begin(), side.end()); cout << side.at(0) * side.at(1)/2<< endl; return 0; }
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Project_CodeNet
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#include <iostream> using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; #include <string> #include <cstdio> #include <algorithm> #include <vector> #include <cmath> #include <climits> #include <bitset> #include <array> #include <deque> #include <queue> #include <map> #d...
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Project_CodeNet
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#include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> #include <queue> #include <algorithm> using namespace std; typedef unsigned int uint; typedef long long ll; typedef pair<int, int> P; const int c_INF = 111111111; const int c_mINF = -111111111; const int c_YET = -1; const int c_Dx[4] = { 0,0,1...
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Project_CodeNet
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#include <bits/stdc++.h> #define _GLIBCXX_DEBUG using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a*b/2.0 << endl; }
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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; }
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#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,N) for(int (i)=0;(i)<(N);++(i)) #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() #define MP make_pair #define pb push_back const int INF = 1e18; const int MOD = INF+7; using P = pair<int,int>; signed main(){ int ...
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> #include <queue> #include <cstring> #include <cstdio> #include <cmath> #include <set> #include <map> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; if (a > b && a > c) cout << b * c / 2 << endl; else if (b > a && b...
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Project_CodeNet
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/* Converted by scratch2cpp (https://github.com/yos1up/scratch2cpp). */ #include <iostream> #include <stdlib.h> #include <string> #include <vector> #include <algorithm> #include <math.h> #define debug cerr << "--" << __LINE__ << "--" << "\n" using namespace std; const double EPS = 1e-8; static int roundToInt(doub...
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#include<iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
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#include<bits/stdc++.h> /* g++ -std=c++11 -Wall -g -fsanitize=undefined -D_GLIBCXX_DEBUG abc/abc116/a.cpp */ using namespace std; #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define SZ(x) ((int)(x).size()) #define INF (1e16) typedef long long ll; int main(){ cin.tie(0); ios::sync_with_stdio(false);//おま...
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#include <iostream> 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 //------------------------------------------ #include <vector> #include <list> #include <map> #include <set> #include <deque> #include <queue> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <f...
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Project_CodeNet
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#include <iostream> 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<stdio.h> //#include <bits/stdc++.h> #include<vector> #include<float.h> #include<iomanip> #include<algorithm> #include<string> #include<cstring> #include<math.h> #include<cmath> #include<sstream> #include<set> #include<map> #include<queue> #include <cassert> #include <cmath> #include<cstdint>...
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Project_CodeNet
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#pragma GCC optimize ("O3") #include <iostream> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <queue> #include <set> #include <algorithm> #include <numeric> using namespace std; using QWORD = uint6...
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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 repi(i, start, end) for(int i = start; i < end; i++) #define all(x) (x).begin(), (x).end() #define debug(x) cout << (x) << endl; #define MAX 999999999 int dx[] = {0, 1, 0, -1}; int dy[] = {-1, 0, 1, 0}; typedef long l...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define ok1 printf("ok1\n"); #define ok2 printf("ok2\n"); #define M 1000000000000000000LL #define rep(i,n) for(int i=0;i<n;i++) #define REP(i,s,n) for(int i=(s);i<(n);i++) #define repr(i,n) for(int i=n-1;i>=0;i--) #define REPR(i,s,n) for(int i=(s);i>=(n);i--) #define all(a...
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Project_CodeNet
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#include <bits/stdc++.h> #define REP(i,s,e) for(int i=(s); i<(e);i++) #define rep(i,n) REP(i,0,n) #define rep1(i,n) REP(i,1,n) #define repe(i,n) for(auto &&i:n) #define all(v) (v).begin(),(v).end() #define decimal fixed<<setprecision(20) #define fastcin() cin.tie(0);ios::sync_with_stdio(false) using namespace std; usin...
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// // Created by 伊東麻沙美 on 2019/10/22. // #include<iostream> #include<algorithm> #include<stdlib.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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#include<iostream> #include<string> #include<vector> #include<algorithm> using namespace std; int main(){ int c,a,b; cin>>c>>a>>b; cout<< c*a/2 <<endl; }
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Project_CodeNet
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#include<bits/stdc++.h> #include<algorithm> using namespace std; #define str string #define rep(x,y) for(int i=x;i<y;i++) #define REP(x,y) for(int j=x;j<y;j++) #define all(x) x.begin(),x.end() int main(){ int A,B,C; str S; cin>>A>>B>>C; cout<<A*B/2<<endl; }
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Project_CodeNet
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#include<iostream> #include <stdlib.h> #include <algorithm> #include <string> typedef long long int ll; 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> #define _overload(_1,_2,_3,name,...) name #define _rep(i,n) _range(i,0,n) #define _range(i,a,b) for(int i=(int)(a);i<(int)(b);++i) #define rep(...) _overload(__VA_ARGS__,_range,_rep,)(__VA_ARGS__) #define _rrep(i,n) _rrange(i,n,0) #define _rrange(i,a,b) for(int i=(int)(a)-1;i>=(int)(b);--i)...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; const int INF = 1e9; int main() { int x, y, z; cin>>x>>y>>z; cout<<x*y/2<<endl; }
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#include<stdio.h> int main(){ int a , b, c ; 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> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define FOR(i,a,b) for(int i=a;i<b;i++) #define each(it,v) for(auto it : v) #define mod 1000000007 #define all(v) (v).begin(),(v).end() #define vi vector<int> #define vl vector<long> #define P pair<int,int> using namespace std; main() { vi v...
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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; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #include <iostream> #include <algorithm> #include <ctype.h> #include <math.h> #include <stack> #include <string> #include <string.h> using namespace std; double PI = 3.1415926535897932; long mod = 1000000007; const long INF = (1<<30); int main() { int a, b, c; cin >> a >> b >> c; cout ...
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Project_CodeNet
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#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<long long, long long>; #define rep(i, n) for(int i = 0; i < (n); ++i) #define all(x) (x).begin(),(x).end() constexpr char ln = '\n'; constexp...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define ll long long #define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--) #define rrep(i,n) RREP(i,n-1,0) #define all(v) v.begin(), v.end() const int inf = 1e9+7; const ll longinf = 1LL...
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> using namespace std; int main(){ vector<int> ABC(3); for(int i = 0; i < 3; i++){ cin >> ABC[i]; } sort(ABC.begin(),ABC.end()); cout << ABC[0] * ABC[1] / 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 rrep(ri,n) for(int ri = (int)(n-1); ri >= 0; ri--) #define rep2(i,x,n) for(int i = (int)(x); i < (int)(n); i++) #define rrep2(ri,x,n) for(int ri = (int)(n-1); ri >= (int)(x); ri--) #define repit(itr,x) for(auto itr = x.begin(); itr != x...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <math.h> #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; /** * Name: Chris M. Perez * University: Interamerican University Metro Campus * **/ #define endl '\n' #define MOD 10e9 #define fi first #define se second #define pb push_back #define mp make_pair #define gcd(x , y) __gcd(x , y) #define all(x) (x).begin() , (x).end(...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { cin.tie(0); ios::sync_with_stdio(false); int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; return 0; }
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#include <bits/stdc++.h> #define ADD(a, b) a = (a + ll(b)) % mod #define MUL(a, b) a = (a * ll(b)) % mod #define MAX(a, b) a = max(a, b) #define MIN(a, b) a = min(a, b) #define rep(i, a, b) for(int i = int(a); i < int(b); i++) #define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--) #define all(a) (a).begin(), (a...
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#include "bits/stdc++.h" using namespace std; int main() { int a,b; cin>>a>>b; cout<<a*b/2<<endl; }
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#include<iostream> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; cout<<(a*b)/2<<endl; return 0; }
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#include <stdio.h> #include <stdlib.h> #include <string.h> int main(){ int a,b,c,ans; scanf("%d",&a); scanf("%d",&b); scanf("%d",&c); ans = a * b / 2; printf("%d\n",ans); return 0; }
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#include<bits/stdc++.h> #define int long long #define Inf 1000000000LL using namespace std; signed main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<"\n"; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define ll long long #define all(it) it.begin(), it.end() #define REP(i, n) for(int i = 0; i < n; i++) #define REPU(i, a, b, s) for(int i = a; i < b; i += s) #define REPD(i, a, b, s) for(int i = a; i > b; i -= s) #define endl "\n" ll INF = 2e18; ll MOD = 1e9 + 7; int i, j...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { cin.tie(0); ios::sync_with_stdio(false); int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
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#define __USE_MINGW_ANSI_STDIO 0 #include <iostream> #include <string> #include <vector> #include <stdio.h> #include <cstdlib> #include <algorithm> #include <cmath> #include <set> #include <numeric> #include <bitset> #include <map> #include <limits.h> using namespace std; /// 各桁の和 int sumdigit(int x){ int sum = 0;...
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#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin >> c >> a >> b; if(max(a,max(b,c))==a) cout << b*c/2 << endl; if(max(a,max(b,c))==b) cout << c*a/2 << endl; if(max(a,max(b,c))==c) cout << a*b/2 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i, x, n) for (int i = x; i < n; i++) typedef long long ll; const int INF = 1e9 + 7; using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); int ab, bc, ca; cin >> ab >> bc >> ca; cout << (ab * bc) / 2 << endl; return 0; }
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#include <bits/stdc++.h> using namespace std; int ab, bc, ca; int main(void) { cin >> ab >> bc >> ca; printf("%d", ab*bc/2); return 0; }
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#include <iostream> #include <sstream> #include <fstream> #include <string> #include <vector> #include <deque> #include <queue> #include <stack> #include <set> #include <map> #include <algorithm> #include <functional> #include <utility> #include <bitset> #include <cmath> #include <cstdlib> #include <ctime> #include <cs...
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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<iostream> #include<algorithm> int main() { int a = 0, b = 0, c = 0, d = 0; std::cin >> a >> b >> c; d = a * b / 2; std::cout << d << std::endl; }
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#include <iostream> using namespace std; int main() { unsigned int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << endl; return 0; }
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#define _USE_MATH_DEFINES #include <iostream> #include <iomanip> #include <stdio.h> #include <sstream> #include <algorithm> #include <iterator> #include <cmath> #include <complex> #include <string> #include <cstring> #include <vector> #include <bitset> #include <queue> #include <set> #include <map> #include <stack>...
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#include<bits/stdc++.h> using namespace std; int main(){ double AB,BC,CA; cin>>AB>>BC>>CA; cout<<AB*BC/2; }
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#include <iostream> #include <fstream> #include <stdio.h> #include <math.h> #include <time.h> #include <string> #include <tuple> #include <vector> #include <map> #include <unordered_map> #include <list> #include <set> #include <stack> #include <queue> #include <cstdlib> #include <algorithm> #include <random> #include <...
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Project_CodeNet
2,019
#include "bits/stdc++.h" using namespace std; int main(){ int l[3]; cin>>l[0]>>l[1]>>l[2]; sort(l,l+3); cout<<l[0]*l[1]/2<<endl; return 0; }
65
Project_CodeNet
2,020
#include <iostream> using namespace std; int main(){ int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << endl; }
41
Project_CodeNet
2,019
#include <iostream> using namespace std; int a,b; int main() { cin >> a >> b; cout << a*b/2 << endl; return 0; }
36
Project_CodeNet
2,019
#include<iostream> #include<string> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2; return 0; }
42
Project_CodeNet
2,020
#include <iostream> #include <iomanip> using namespace std; int main(void){ double a, b, c; cin>>a>>b>>c; cout<<a*b/2<<endl; return 0; }
49
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=n-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define all(x) (x).begin(),(x).end()...
1,881
Project_CodeNet
2,019
#include<iostream> #include<string> #include<vector> #include<unordered_map> #include<algorithm> #include<cmath> #include<climits> #include<iomanip> #include<bitset> #include<cstdlib> #include<queue> #include<utility> //pair using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) ...
153
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main() { int ab = 0, bc = 0, ca = 0; cin >> ab >> bc >> ca; vector<int> vec; vec.push_back(ab); vec.push_back(bc); vec.push_back(ca); sort(vec.begin(), vec.end()); cout << (vec[0] * vec[1]) / 2 << endl; }
93
Project_CodeNet
2,019
#include<iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
46
Project_CodeNet
2,019
#include <bits/stdc++.h> #define sz(arr) (int)arr.size() #define all(arr) arr.begin(), arr.end() using namespace std; int main() { int a, b, c; cin >> a >> b >> c; // cout << a * b / 2 << endl; double s = (a + b + c) / 2.; double S = sqrt(s * (s - a) * (s - b) * (s - c)); cout << (int)S << endl; ret...
120
Project_CodeNet
2,020
#include<iostream> 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; else if(b*b+c*c==a*a)cout<<b*c/2<<endl; else cout<<c*a/2<<endl; return 0; }
75
Project_CodeNet
2,019
#include<bits/stdc++.h> int main(void){ std::vector<int> len(3); for(int i=0;i<3;i++){ std::cin>> len.at(i); } std::cout<< len.at(0)*len.at(1)/2 <<std::endl; return 0; }
68
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin >> a >> b; cout << a*b/2 << endl; }
39
Project_CodeNet
2,019
#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; cout << a * b / 2 << endl; return 0; }
43
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; }
50
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main() { int ab,bc,ca,ans; cin>>ab>>bc>>ca; ans=ab*bc/2; cout<<ans<<'\n'; return 0; }
56
Project_CodeNet
2,019
#include<iostream> using namespace std; int main() { int AB, BC, CA; cin >> AB >> BC >> CA; cout << AB * BC / 2 << endl; }
41
Project_CodeNet
2,019
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (int)(n); i++) using namespace std; int main() { int a, b; cin >> a >> b; cout << a * b / 2 << endl; }
60
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main() { int AB,BC; cin >> AB >> BC; cout << AB * BC / 2 << endl; }
40