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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 pi 3.14159265359 int main(){ int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; }
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#include"bits/stdc++.h" using namespace std; int main() { int c, a, b; cin >> c >> a >> b; cout << a * c / 2 << endl; return 0; }
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#include<iostream> #include<algorithm> #include<vector> #include<queue> #include<map> using namespace std; typedef long long ll; ll MOD = 1e9+7; #define rep(i,n) for(int i = 0; i < (n); ++i) int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
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// #pragma GCC target("avx2") #pragma GCC optimize("O3", "unroll-loops") // #include <bits/extc++.h> // using namespace __gnu_pbds; #include <bits/stdc++.h> using namespace std; #define int long long #define double long double // template <typename T> // using pbds_set = tree<T, null_type, less<T>, rb_tree_tag, tree...
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Project_CodeNet
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#include <iostream> int main() { int a, b, c; std::cin >> a >> b >> c; std::cout << a * b / 2 << std::endl; return 0; }
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#define NOMINMAX #define TEST_MODE true #define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep2(i, a, b) for (int i = (a); i < (int)(b); ++i) #define rrep(i, n) for (int i = (n)-1; i >= 0; --i) #define rr...
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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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#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; cout<<0.5*a*b; }
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#include<iostream> #include<vector> #include<string> #include<algorithm> #include<utility> #include<map> #include<queue> #include<set> #include<bitset> #include<stdio.h> #include<deque> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) typedef long long ll; int main() { int a, b, c; cin >> a >> ...
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Project_CodeNet
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#include <bits/stdc++.h> #define INF 1e18 #define MOD 1000000007 #define PI M_PI #define ll long long #define vi vector<int> #define all(v) v.begin(), v.end() #define FOR(i, a, b) for (int i=a; i<b; i++) #define REP(i, n) for (int i=0; i<n; i++) #define REPD(i, n) for (int i=n-1; i>=0; i--) #define print(x) cout << x <...
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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; #define fs first #define sc second #define mp make_pair #define pb push_back #define eb emplace_back #define ALL(A) A.begin(),A.end() #define RALL(A) A.rbegin(),A.rend() typedef long LL; typedef pair<LL,LL> P; const LL mod=1e9+7; const LL LINF=1LL<<62; const int INF=10000000...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ vector<int> A(3); for(int i=0; i<3; i++) cin >> A[i]; sort(A.begin(), A.end()); cout << A[0]*A[1]/2 << endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(int argc, char *argv[]) { int a, b, c; cin >> a >> b >> c; vector<int> arr({a, b, c}); sort(arr.begin(), arr.end()); cout << ((arr[0] * arr[1]) / 2) << endl; return 0; }
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Project_CodeNet
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#include<iostream> #include<cmath> #include<cstdlib> #include<string> #include<cstring> #include<algorithm> #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 <bits/stdc++.h> using namespace std; #define watch(x) cout << (#x) << " is " << (x) << '\n' #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define sz(x) ((int)...
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#include <iostream> #include <sstream> #include <string> #include <vector> #include <stack> #include <queue> #include <set> #include <map> #include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <cctype> #include <cmath> #include <cassert> #include <sstream> #include <fstream> #define all...
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#include <bits/stdc++.h> using namespace std; using VS = vector<string>; using LL = long long; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using PLL = pair<LL, LL>; using VL = vector<LL>; using VVL = vector<VL>; #define ALL(a) begin((a)),end((a)) #define RALL(a) (a)....
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Project_CodeNet
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#include <iostream> int main() { int ab, bc, ca; scanf("%d %d %d", &ab, &bc, &ca); int s = ab*bc/2; printf("%d", s); return 0; }
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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 <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, n) for (int i = 1; i <= (int)(n); i++) 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<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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#include <iostream> using namespace std; int AB, BC, CA; int main() { cin >> AB >> BC >> CA; cout << (AB * BC) / 2; return 0; }
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#include <iostream> const int get_area_triangle(const int& base, const int& height) { return (base * height) / 2; } int main() { int height, base; std::cin >> height >> base; std::cout << get_area_triangle(base, height) << std::endl; return 0; }
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#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(signed i=0;i<n;++i) #define int long long #define str string #define debg(a) cout<<#a<<":"<<a<<endl; #define print(a) cout<<a<<endl; #define end cout<<endl; #define elif else if int a,b,c,i,j,k,n,m,x,y,z; str s,t; vector<signed> v; signed main(){ ...
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i,n) for(ll i=0;i<(n);++i) #define all(a) (a).begin(),(a).end() #define dunk(a) cout << (a) << endl #define rall(a) (a).rbegin(),(a).rend() const int INF = 2e9; using namespace std; using Graph = vector<vector<int>>; typedef pair<int,int> P; typedef long long ll; int main(){ in...
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Project_CodeNet
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#include <bits/stdc++.h> 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] / 2 << endl; }
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Project_CodeNet
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#include <iostream> #include <fstream> #include <cmath> #include <cstdlib> #include <ctime> #include <algorithm> #include <numeric> #include <functional> #include <string> #include <vector> #include <bitset> #include <map> #include <set> #include <stack> #include <queue> #include <deque> using namespace std; using ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; signed main(){ int a, b; scanf("%d%d", &a, &b); printf("%d\n", a * b / 2); 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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#include <stdio.h> #include <iostream> using namespace std; int main(void){ int ab; int bc; int ca; int ans; cin >> ab; cin >> bc; cin >> ca; ans = ab * bc/2; cout << ans; return 0; }
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Project_CodeNet
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#pragma GCC optimize ("O3") #pragma GCC target ("avx") #include <cstdio> using namespace std; /** * main */ int main () { int c, a; scanf("%d %d", &c, &a); printf("%d\n", c * a / 2); }
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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 d = a*b; cout << d/2; return 0; }
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Project_CodeNet
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#include <iostream> using namespace std; int main(void){ // Your code here! int a,b; cin>>a>>b; cout<<a*b/2<<endl; }
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#include<iostream> #include<cstdio> #include<algorithm> using namespace std; int a[4]; int main(){ for(int i=0 ; i<3 ;i++){ cin>>a[i]; } sort(a,a+3); cout<<a[0]*a[1]/2<<endl; return 0; }
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Project_CodeNet
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#include<iostream> #include<vector> #include<string> #include<algorithm> #include<iomanip> using namespace std; int main(){ int a[3]; for(int i=0;i<2;i++){ cin>>a[i]; } sort(a,a+3); cout<<a[0]*a[1]/2<<endl; return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> #include<algorithm> #include<string> #include<vector> #include<tuple> 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 <bits/stdc++.h> using namespace std; #define dump(a) cout << (a) << '\n'; typedef long long Int; Int mod = 1e9+7; // Int MOD = 998244353; int main() { ios::sync_with_stdio(false); double a, b, c; cin >> a >> b >> c; dump(a * b / 2); 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 * 0.5 << endl; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main(){ cin.tie(0),ios::sync_with_stdio(false); int a,b,c; cin>>a>>b>>c; cout<<min({a,b,c})*((a+b+c)-min({a,b,c})-max({a,b,c}))/2<<"\n"s; }
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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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Project_CodeNet
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#include <iostream> #include <iomanip> #include <string> #include <algorithm> #include <functional> #include <set> #include <map> #include <unordered_map> #include <queue> #include <deque> #include <cmath> #include <cstdio> using namespace std; typedef long long ll; #define FOR(i, a, b) for (int i = (a); i < (b); ++...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main(){ int a,b;cin>>a>>b; int ans=a*b/2; cout<<ans<<endl; }
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#include <bits/stdc++.h> typedef long long ll; #define INF 1000000000 #define MOD 1000000007 int dx[4]={1,0,-1,0},dy[4]={0,-1,0,1}; using namespace std; int main(void){ 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(){ cin.tie(0); ios::sync_with_stdio(false); int a, b, c; 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> using namespace std; #define watch(x) cerr << (#x) << ": " << (x) << endl #define int long long int32_t main() { int a, b, c; cin >> a >> b >> c; if(a > b && a > c) cout << b*c/2; else if(b > a && b > c) cout << a*c/2; else cout << a*b/2; cout << 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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#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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#include <stdio.h> #include <string.h> #include <algorithm> #include <iostream> #include <string> #include <vector> #include <functional> #include <map> #include <iomanip> #include <math.h> #include <stack> #include <queue> #include <bitset> #include <cstdlib> #include <tuple> #include <cctype> #include <ctype.h> #inc...
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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 all(x) (x).begin(),(x).end() #define dup(x,y) (((x)+(y)-1)/(y)) #define sz(x) (int)(x).size() #define MOD 1000000007 using namespace std; typedef long long ll; 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() { float x,y,z; cin>>x>>y>>z; if(x<=z&&y<=z) cout<<(x/2)*y; else if(x<=y&&z<=y) cout<<(x/2)*z; else if(y<=x&&z<=x) cout<<(y/2)*z; return 0; }
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#include<iostream> #include<algorithm> using namespace std; int main(){ int a[3]; cin>>a[0]>>a[1]>>a[3]; cout<<(a[0]*a[1])/2; }
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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; return 0; }
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#pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #include <bits/stdc++.h> //*/ using namespace std; static const int _ = []() { ios::sync_with_stdio(false); cin.sync_with_stdio(false); cout.sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); return 0; }(); #define ll long long #define u...
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Project_CodeNet
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#include <bits/stdc++.h> typedef long long int ll; using namespace std; const ll mod=1e9+7; ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} int main(){ ios::sync_with_stdio(false); cin.tie(0); cout....
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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/2.0 << endl; }
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Project_CodeNet
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#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define FOR(i,a,n) for(ll i=a;i<(ll)(n);i++) 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 a,b,c; cin>>a>>b>>c; cout<<(a*b*c)/(max({a,b,c})*2)<<endl; }
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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<bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; int maxi = max(a, b); maxi = max(maxi, c); if(maxi == c) cout << a * b / 2; else if(maxi == b) cout << a * c / 2; else cout << b * c / 2; }
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <algorithm> #include <map> #include <set> #include <cmath> using namespace std; typedef pair<int, int> P; void solve() { vector<int> a(3); for (int i = 0; i < 3; ++i) { cin >> a[i]; } sort(a.begin(), a.end()); cout << a[0] * a[1] / 2 << 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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/* Aa^~ kokoro ga pyompyon suru n jaa^~ // ZZZXXkXkkkZ!``` ``` ``` ``` ``` ``` ``` ``` ``` ``` ``` ```?Wfpppbpbbpbbpbbbkbkk // ppbbbpbbpVr`` `` ` ` ` ` ```` `` ` ` `` ` ` ` ` ` ` ` ` ` dppbbkkkkkkkkkkqkqkk // HkqqqqqkkWr`` ` ` ``` ``` `?G, ` ` ``.JC!```` ` ` `` `` ````(Wpbkkkkkkkkqkkkkkqk // mmmmmqqqqpr` `` `` ``````...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { vector<int> L(3); for (int i = 0; i < 3; i++) cin >> L[i]; sort(L.begin(), L.end()); cout << L[0] * L[1] / 2 << endl;; return 0; }
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> #define ll long long using namespace std; int main(){ int ab,bc,ca; cin>>ab>>bc>>ca; cout<<ab*bc/2; return 0; }
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Project_CodeNet
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#include <iostream> #include <stdio.h> #include <vector> #include <algorithm> #include <cmath> #define rep(i,cc,n) for(int i=cc;i<=n;++i) #define drep(i,cc,n) for(int i=cc;i>=n;--i) typedef long long 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> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); 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> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; typedef long long ll; 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 <cstdio> int main() { int a, b; scanf("%d %d", &a, &b); printf("%d\n", a * b / 2); return 0; }
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Project_CodeNet
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#include <iostream> #include <string> #include <algorithm> #include <cmath> #include <cstdlib> #include <vector> #include <map> #include <queue> using namespace std; #define rep(i, s, e) for (int(i) = (s); (i) <= (e); ++(i)) #define all(x) x.begin(),x.end() int main() { int a, b; cin >> a >> b; cout << 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<(n);++i) using namespace std; typedef long long ll; int main() { ios::sync_with_stdio(false); cin.tie(0); 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 <vector> #include <deque> #include <algorithm> #include <stdio.h> int main(){ int A, B, C; std::cin >> A >> B >> C; int D; D = A*B/2; std::cout << D << std::endl; return 0; }
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#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; //#define int long long template<typename T> inline bool chmax(T& a,T b) { if (a < b) { a = b; return true; } return false; } template<typename T> inline bool chmin(T& a,T b) { if (a > b) { a = b; return true; } return false; } signed main() { in...
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Project_CodeNet
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#include <bits/stdc++.h> #define ll long long #define fort(i,n) for (int i = 1; i <= n; ++i) #define pi pair<int,int> #define pl pair<ll,ll> #define vi vector<int> #define vl vector<ll> #define pb push_back #define sz size() #define er erase #define fr first #define sc second #define rc(x) return cout << x, 0 using nam...
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Project_CodeNet
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// ABC 118 B #include<bits/stdc++.h> using namespace std; //container util //------------------------------------------ #define REP(i,n) for(int (i)=0;(i)<(n);(i)++) #define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i) #define EXIST(s,e) ((s).find(e)!=(s).end()) #define SORT(c) sort((c).begin(),...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int C, A, B; cin >> C >> A >> B; cout << C * A / 2 << endl; }
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#include <bits/stdc++.h> using namespace std; struct Fast {Fast(){std::cin.tie(0);ios::sync_with_stdio(false);cout.precision(10);}} fast; /* define */ #define FOR(I,X,Y) for(long long (I)=(X);(I)<(Y);(I)++) #define REP(I,X,Y) for(long long (I)=(Y)-1;(I)>=(X);(I)--) #define ALL(X) (X).begin(),(X).end() #define pb push_...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define step(i, s, n, d) for(int i=s; i<n; i+=d) #define FOR(i,s,n) step(i,s,n,1) #define rep(i,n) FOR(i,0,n) #define ll long long typedef pair<int, int> P; 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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#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<long long, long long>; constexpr char ln = '\n'; constexpr long long MOD = 1000000007LL; constexpr long long INF = 1001001001LL; constexpr long long LINF = 1001001001001001001...
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<string> #include<vector> #include<queue> #include<map> #include<math.h> #define rep(i,a,n) for(int (i)=(a);(i)<(n);(i)++) #define rrep(i,a,n) for(int (i)=(a);(i)>=(n);(i)--) #define INF 100000000 typedef long long ll; using namespace std; double euclid_distance(doub...
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Project_CodeNet
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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 <bits/stdc++.h> using namespace std; typedef long long ll; const int MOD = 1e9 + 7; typedef vector<ll> vll; int main() { vector<int> nums(3); for (int i = 0; i < 3; ++i) { cin >> nums[i]; } sort(nums.begin(), nums.end()); cout << nums[0] * nums[1] / 2 << endl; return 0; }
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#include <bits/stdc++.h> using namespace std; int main(){ int l, m, n; cin >> l >> m >> n; cout << l * m / 2 << endl; }
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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++) using namespace std; signed main(void) { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
67
Project_CodeNet
2,019
#include<iomanip> #include<limits> #include<thread> #include<utility> #include<iostream> #include<string> #include<algorithm> #include<set> #include<map> #include<vector> #include<stack> #include<queue> #include<cmath> #include<numeric> #include<cassert> #include<random> #include<chrono> #include<unordered_map> #includ...
201
Project_CodeNet
2,020
#include<stdio.h> #include<iostream> #include<vector> #include<math.h> #include<queue> #include<map> #include<algorithm> #include<string.h> #include<functional> #include<limits.h> #include<stdlib.h> #include<string> #include<unordered_map> using namespace std; #define intmax INT_MAX #define lmax LONG_MAX #define uint...
539
Project_CodeNet
2,019
#include <bits/stdc++.h> #define rep(i,m,n) for(int i=m; i<n; i++) #define co(n) cout << n << endl using namespace std; int main(){ int a, b; cin >> a >> b; co(a*b/2); return 0; }
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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; return 0; }
42
Project_CodeNet
2,019
#include<iostream> using namespace std; int main(void){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; return 0; }
42
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main() { int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << endl; }
69
Project_CodeNet
2,019
//////////////////////////////////////// /// tu3 pro-con template /// //////////////////////////////////////// #include "bits/stdc++.h" using namespace std; // -- loop macros -- // #define REP(i,n) for (int i = 0; i < (n); i++) #define RREP(i,n) for (int i = (n)-1; i >= 0; i--) #define FOR(i,s,n) for (int ...
1,660
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main() { double a, b; cin >> a >> b; cout << a * b / 2; return 0; }
44
Project_CodeNet
2,020
#define _USE_MATH_DEFINES #include <iostream> #include <string> #include <list> #include <vector> #include <queue> #include <algorithm> #include <climits> #include <cstring> #include <cmath> #include <stack> #include <iomanip> #include <tuple> #include <functional> #include <cfloat> #include <map> #include <set> #inclu...
390
Project_CodeNet
2,019
#include <iostream> using namespace std; int main(void) { int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; return 0; }
44
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1e9+7; const long long INF = 1e15; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); int a,b,c; cin >> a >> b >> c; cout << a*b/2 << endl; return 0; }
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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int side1,side2,side3;cin >> side1 >> side2 >> side3; cout << (side1*side2)/2 << endl; return 0; }
56
Project_CodeNet
2,019
#include "bits/stdc++.h" using namespace std; #define sp(x) cout<<setprecision(x); #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,n) FOR(i,0,n) #define all(a) (a).begin(), (a).end() #define inf 10000000 #define linf INT64_MAX*0.99 #define print(s) cout<<(s)<<endl #define lint long long #define yes "Yes" #...
179
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { int AB, BC, CA; cin >> AB >> BC >> CA; cout << AB * BC * 1/2 << endl; return 0; }
52
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int a,b; signed main() { return cin>>a>>b,cout<<a*b/2<<"\n",0; }
39
Project_CodeNet
2,019
#include<iostream> #include<cmath> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; int s = (a + b + c) / 2; cout << sqrt(s * (s - a) * (s - b) * (s - c)) << endl; return 0; }
79