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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; return 0; }
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#include <bits/stdc++.h> using namespace std; #define ll long long #define Coming ios_base :: sync_with_stdio(false);cin.tie(0);cout.tie(0); #define endl "\n" #define mod 1000000007 int main() { Coming int a,b,c; cin >> a>> b >>c; int s = (a+b+c) / 2; int ans = sqrt(s*(...
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Project_CodeNet
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// https://atcoder.jp/contests/abc116/tasks/abc116_a #include <algorithm> #include <iostream> #include <string> using namespace std; #define max(a, b) (((a) > (b)) ? (a) : (b)) #define min(a, b) (((a) < (b)) ? (a) : (b)) 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(void){ 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 main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
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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/2; cout << ans << endl; }
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#include <bits/stdc++.h> //#include <mylib.h> using namespace std; //cin.sync_with_stdio(false); #define FOR(i,a,b) for(int i = (a); i < (b); ++i) #define FOR_EQ(i,a,b) for(int i = (a); i <= (b); ++i) #define FOR_RE(i,a,b) for(int i = (a); i > (b); --i) #define rep(i,n) FOR(i,0,n) #define rep_eq(i,n) FOR_EQ(i,0,n) #de...
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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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#include <iostream> using namespace std; int main(int argc, char* argv[]) { 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.h> #include<algorithm> 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 a, b, c; cin >> a >> b >> c; cout << a*b/2 << endl; }
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#pragma once #include <sstream> #include <string> #include <vector> #include <map> #include <algorithm> #include <iostream> #include <utility> #include <set> #include <cctype> #include <queue> #include <stack> #include <cstdio> #include <cstdlib> #include <cmath> #include <deque> #include <numeric> #include <iomanip> #...
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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 / 2; cout << ans << 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 <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 <iostream> #include <string> #include <vector> #include <algorithm> #include <set> #include <unordered_map> #include <unordered_set> #include <numeric> #include <cmath> #include <tuple> #include <bitset> #include <utility> #define push emplace_back #define each(i, x) for (auto i=0; i < x; i++) using ull = un...
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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 all(a) (a).begin(),(a).end() #define ll long long int main(){ int A[3]; rep(i,3) cin>>A[i]; sort(A,A+3); cout<<A[0]*A[1]/2<<endl; }
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); ++i) using std::cin; using std::cout; using std::endl; using std::string; using std::vector; int main() { int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; return 0; }
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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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#include <bits/stdc++.h> using namespace std; typedef long long ll; const int MOD = 2019; int main(){ ll A, B, _; cin >> A >> B >> _; cout << (A*B)/2 << endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ double a, b, c; cin >> a >> b >> c; cout << a*b/2 << endl; return 0; }
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#include<bits/stdc++.h> using namespace std; int main(){ vector<int> tri(3); for(int i = 0;i< 3;i++){ int a; cin >> a; tri.at(i) = a; } sort(tri.begin(), tri.end()); cout << (tri.at(0)*tri.at(1))/2 << endl; }
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Project_CodeNet
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#include<algorithm> #include<cstdio> #include<cmath> int main() { int s,a,b,c; scanf("%d%d%d",&a,&b,&c); s=(a+b+c)/2; printf("%d",(int)(sqrt(s*(s-a)*(s-b)*(s-c)))); return 0; }
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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); cout.tie(0); int t,a,b,c; t = 1; while(t--) { 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,d; cin>> a >> b >> c; d = a*b/2; cout << d << 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 INF 2e9 #define ALL(v) v.begin(), v.end() using namespace std; typedef long long ll; int main() { int a, b, c; cin >> a >> b >> c; cout << a*...
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Project_CodeNet
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#include<bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> //using namespace __gnu_pbds; // DEEP using namespace std; #define boost ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define all(v) v.begin(),v.end() #define pb push_back #define endl '\n' #define mp make_pair typedef long lon...
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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; typedef long long ll; #define mod 1000000007 int main(void){ int a,b,c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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#include <iostream> #include <string> #include <vector> #include <algorithm> #include <tuple> #include <queue> #include <set> #include <math.h> #include <array> #include <list> #include <set> const int MOD=1000000007; const int INF=1000000000; using namespace std; typedef long long ll; typedef tuple<ll,int,int> tup; ty...
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Project_CodeNet
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//#define _CRT_SECURE_NO_WARNINGS #include "bits/stdc++.h" #define rep(i,n) for(ll (i)=0;(i)<(n);(i)++) #define all(x) (x).begin(),(x).end() #define MOD 1000000007LL #define INF (1LL<<60LL) typedef long long ll; using namespace std; int main() { vector<ll> v(3); rep(i, 3) cin >> v[i]; sort(all(v)); cout << v[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 <iostream> #include <string> #include <vector> #include <algorithm> #include <stack> #include <queue> #include <cmath> #include <tuple> #include <cstdio> #include <bitset> #include <sstream> #include <iterator> #include <numeric> #include <map> #include <cstring> #include <set> #include <functional> #include <...
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Project_CodeNet
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#include <vector> #include <iostream> #include <algorithm> typedef char SINT8; typedef unsigned char UINT8; typedef short SINT16; typedef unsigned short UINT16; typedef int SINT32; typedef unsigned int UINT32; typedef long long SINT64; typedef un...
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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<bits/stdc++.h> using namespace std; int main() { int s[3]; for (int i=0; i<3; i++) cin >> s[i]; sort(s,s+3); int S = s[0]*s[1]/2; cout << S << endl; }
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#include<iostream> #include<string> #include<iomanip> #include<cmath> #include<vector> #include<algorithm> using namespace std; #define int long long #define rep(i,n) for(int i = 0; i < (n); i++) #define INF (long long)(1e18) #define EPS (1e-20) #define MOD (int)(1e9+7) #define yn(f) ((f)?"Yes":"No") #define YN(f) (...
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#include <iostream> #include <cmath> #include <vector> #include <map> #include <stack> #include <queue> #include <set> #include <algorithm> #include <iomanip> #include <string.h> #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() typedef long long lint; usi...
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Project_CodeNet
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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); return 0; }
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#include<iostream> using namespace std; int main(){ int a, b, c; cin >> a; cin >> b; cin >> c; cout << a*b/2 << endl; return 0; }
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#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);++i) #define ALL(A) A.begin(), A.end() using namespace std; typedef long long ll; typedef pair<int, int> P; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int side[3] = {0}; rep (i, 3){ cin >> side[i]; } // end rep sort(side, side+3); in...
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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 <iostream> #include <iomanip> #include <vector> #include <string> #include <algorithm> #include <math.h> #include <map> #include <functional> #include <queue> #include <stack> #include <string.h> #include <list> using namespace std; typedef long long ll; #define all(a) (a).begin(), (a).end() #define rall(a) (...
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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> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; int main() { int a, b, c; cin >> a >> b >> c; int ans = min(a * b, min(a * c, b * c)) / 2; cout << ans << endl; }
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#include <iostream> 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; int ab, bc, ca; int main(){ cin>> ab >> bc >> ca; cout<< ab*bc/2; return 0; }
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#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int n = 3; vector<int> arr(n); for (int i = 0; i < n; i++) { cin >> arr[i]; } sort(arr.begin(), arr.end()); cout << (arr[1] * arr[0]) / 2 << endl; }
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#include <bits/stdc++.h> using namespace std; int main(void){ // Your code here! int AB; int BC; int CA; cin >> AB; cin >> BC; cin >> CA; cout << AB * BC * 0.5 << endl; }
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Project_CodeNet
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long long A,B,C,D,E,F, I,J,K, M,N,O,Q,R,S,T,U,V, X,Y,Z; //long long A,B,C,D,E,F, H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z; double dA,dB,dC,dD,dE,dF, dI,dJ,dK, dM,dN,dO,dP,dQ,dR,dS,dT,dU,dV, dX,dY,dZ; #include <string> #include <bits/stdc++.h> using namespace std; typedef long long ll; #include <iostream> #inclu...
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#include<iostream> #include<algorithm> #include<math.h> #include<vector> #include<map> #include<set> #include<iomanip> using namespace std; using ll = long long; const int MOD = 1e9 + 7; const int INF = numeric_limits<int>::max(); const ll LLINF = numeric_limits<ll>::max(); const double PI = acos(-1.0); #define rep(...
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Project_CodeNet
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#include<bits/stdc++.h> #include<algorithm> using namespace std; typedef long long ll; const ll MAXN = 1e5+200; 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))<<endl; return 0; }
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#include <cstdio> #include <iostream> using namespace std; int main() { int a,b,c; scanf("%d%d%d",&a,&b,&c); int max = a>b?a:b; max=max>c?max:c; int area = a*b*c/(2*max); printf("%d",area); }
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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 <cmath> using namespace std; int main(void){ int a,b,c; cin >> a >> b >> c; double s = (a+b+c)/2; double v = sqrt(s*(s-a)*(s-b)*(s-c)); cout << v << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { double 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 <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, 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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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; cin >> a >> b; 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; int ans; cin >> a >> b >> c; if (a > b && a > c) ans = b * c / 2; else if (b > a && b > c) ans = a * c / 2; else ans = a * b / 2; cout << ans << endl; return 0; }
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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, n) for (int i = 0; i < (int)(n); ++i) template <class T> inline bool chmin(T &a, T b) {if (a > b){a = b;return true;}return false;} template <class T> inline bool chmax(T &a, T b) {if (a < b){a = b;return true;}...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll MOD = 1LL << 32; const ll INF = 1e18+7; signed 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() { 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; typedef long long ll; #define INF (long long)(1e9+7) #define REP(i,n) for(ll i = 0; i < n; i++) #define REP1(i,n) for(ll i = 1; i <= n; i++) ll gcd(ll a, ll b) { if(b == 0) return a; return gcd(b, a % b); } int main(void) { int a , b , c; cin >> a >> b >> c; ...
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Project_CodeNet
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#include <iostream> #include <string> #include <algorithm> #include <set> #include <cmath> #include <vector> #include <numeric> #include <unordered_map> #include <unordered_set> #include <queue> typedef long long ll; const ll LL_MAX (1LL<<60); #define rep(i,s,e) for(ll i=(s); i<(e); i++) using namespace std; int ...
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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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#define _GLIBCXX_DEBUG #include<bits/stdc++.h> #define rep(i,n) for (int i = 0;i < (n);i++) #define all(v) v.begin(),v.end() using namespace std; using ll = long long; using P = pair<ll,ll>; using vl = vector<ll>; using vvl = vector<vl>; int main(){ ll a,b; cin >> a >> b; cout << a*b/2 << endl; }
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Project_CodeNet
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#include <iostream> #include <string> 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; cout<<a*b/2<<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> #include <boost/multiprecision/cpp_int.hpp> using namespace std; using namespace boost::multiprecision; # define REP(i,n) for (int i=0;i<(n);++i) # define rep(i,a,b) for(int i=a;i<(b);++i) # define p(s) std::cout << s ; # define pl(s) std::cout << s << endl; # define all(v) v.begin(),v.end() ...
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Project_CodeNet
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#include <bits/stdc++.h> const int INF = 1e9; const int MOD = 1e9+7; using LL = long long; const LL LINF = 1e18; const double EPS = 1e-10; using namespace std; #define COUT(v) cout<<(v)<<endl #define CIN(n) int(n);cin >> (n) #define LCIN(n) LL(n);cin >> (n) #define SCIN(n) string(n);cin >> (n) #define YES(n) cout<<((n...
502
Project_CodeNet
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#include <stdio.h> #include <algorithm> using namespace std; using ll = long long; int a, b, c; int main() { scanf("%d %d %d", &a, &b, &c); printf("%d\n", a * b / 2); }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(long long i=0; i<(long long)(n);i++) #define rep2(i,s,n) for(long long i=(s); i<(long long)(n);i++) #define mod 1000000007 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 <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> #include <vector> #include <utility> #include <algorithm> #include <math.h> using namespace std; int main(void){ int a, b, c; cin >> a >> b >> c; int res = a * b / 2; cout << res << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll=long long; using vb=vector<bool>; using vvb=vector<vb>; using vd=vector<double>; using vvd=vector<vd>; using vi=vector<int>; using vvi=vector<vi>; using vl=vector<ll>; using vvl=vector<vl>; using pll=pair<ll,ll>; using tll=tuple<ll,ll>; using vs=vector<string>; #de...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZER...
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Project_CodeNet
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/** * created: 23.05.2020 12:58:10 **/ #include <bits/stdc++.h> #define int long long #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; signed main() { cin.tie(0); ios_base::sync_with_stdio(false); vector<int> l(3); ...
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> #include <string.h> #include <iomanip> #include <map> 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> #define rep(i,n)for(int i=0;i<n;++i) #include<string> using namespace std; typedef long long ll; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }; ll lcm(ll a, ll b) { return a / gcd(a, b) * b; }; int main() { int a, b, c; cin >> a >> b >> c; int ans = a * b / 2; cout << ans << endl; }
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#include <bits/stdc++.h> using namespace std; int main() { int x, y, z; cin >> x >> y >> z; cout << x*y/2 << endl; }
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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> 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; int main(){ int a,b,c; cin >> a >> b >> c; cout << a*b/2 <<endl; return 0; }
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Project_CodeNet
2,019
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <math.h> #include <iomanip> using namespace std; #define int long long #define pie 3.141592653589793238462643383279 int gcd(int x, int y) { if (y == 0)return x; return gcd(y, x%y); } int lcm(int x, int y) { return x / gcd(x, y)*y; ...
157
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab*bc/2 << endl; return 0; }
49
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { int AB,BC,CA; cin >> AB >> BC >> CA; cout << AB * BC * 0.5 << endl; }
48
Project_CodeNet
2,019
#include<iostream> #include<algorithm> #include<cstdio> #include<cmath> #include<cctype> #include<math.h> #include<string> #include<string.h> #include<stack> #include<queue> #include<vector> #include<utility> #include<set> #include<map> #include<stdlib.h> #include<iomanip> using namespace std; #define ll long long #d...
276
Project_CodeNet
2,020
#pragma region #include <bits/stdc++.h> using namespace std; inline void ci(void){ return; } template <typename First, typename... Rest> void ci(First& first, Rest&... rest){ cin >> first; ci(rest...); return; } inline void co(void){ cout << "\n"; return; } template <typename First, typename... Rest> void c...
482
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; scanf("%d %d %d",&a,&b,&c); printf("%d",a*b/2); return 0; }
47
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) const int MOD =1e9+7; using ll=long long; int main() { double a, b, c; cin >> a >> b >> c; cout << a*b/2 << endl; }
82
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ int x,y,z; cin >> x >> y >> z; cout << (x*y)/2 << endl; return 0; }
51
Project_CodeNet
2,019
#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> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep1(i,n) for(int i=1;i<=(int)(n)...
148
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) const long long INF = 1LL << 60; int main() { int a,b,c,ans; cin >> a >> b >> c; ans = a*b/2; cout << ans << endl; return 0; }
91
Project_CodeNet
2,019
#define _USE_MATH_DEFINES #include <cstdio> #include <iostream> #include <sstream> #include <fstream> #include <iomanip> #include <algorithm> #include <cmath> #include <complex> #include <string> #include <vector> #include <array> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include ...
154
Project_CodeNet
2,019
#include <iostream> using namespace std; int main(void){ int ab,bc,ca; cin>>ab>>bc>>ca; cout<<ab*bc/2<<endl; }
41
Project_CodeNet
2,019
#include <bits/stdc++.h> #define endl '\n'; typedef long long ll; using namespace std; const string YES = ""; const string NO = ""; 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; }
87