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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 << '\n'; return 0; }
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Project_CodeNet
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#include "bits/stdc++.h" #define DEBUG(x) cout<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl using namespace std; #define vi vector<int> #define vl vector<ll> #define vii vector< vector<int> > #define vll vector< vector<ll> > #define vs vector<string> #de...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <vector> #include <string> #include <cmath> 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 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> using namespace std; // type alias typedef long long LL; typedef pair<int,int> II; typedef tuple<int,int,int> III; typedef vector<int> VI; typedef vector<string> VS; typedef unordered_map<int,int> MAPII; typedef unordered_set<int> SETI; template<class T> using VV=vector<vector<T>>; // minmax te...
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Project_CodeNet
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#include <iostream> #include <sstream> #include <vector> #include <algorithm> int main() { int A,B,C; std::cin >> A >> B >> C; if(A>B && A>C){ std::cout << B*C/2 << std::endl; } if(B>A && B>C){ std::cout << A*C/2 << std::endl; } if(C>A && C>B){ std::cout << A*B/2 << 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 << 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; return 0; }
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Project_CodeNet
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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<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(){ 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 <io...
271
Project_CodeNet
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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 pb push_back #define all(v) (v).begin(),(v).end() #define fi first #define se second typedef vector<int>vint; typedef pair<int,int>pint; typedef vector<pint>vpint; template<typename A,typename B>inline ...
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int x,y,z; cin >> x >> y >> z; cout << (x*y/2) << endl; return 0; }
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; cout << a * b / 2 << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <algorithm> using namespace std; int main( void ) { int a, b, c; cin >> a >> b; cout << a * b / 2 << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <vector> #include <climits> #include <algorithm> #include <cmath> #include <map> #include <set> #include <string> #include <bitset> #include <utility> #include <numeric> #include <queue> #include <stack> using ll = long long; using namespace std; constexpr int MOD = 1e9 + 7; constexpr ll ...
158
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int MIN=9999; string S; void solve(int n,int m,int now){ if(m == 3){ MIN = min(MIN,abs(753-now)); return; } if(n == S.size()) return; solve(n+1,m+1,10*now+(S[n]-'0')); } int main(){ int A,B,C; cin >> A >> B >> C; cout << ((A*B)/2) << end...
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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 rept(i,a,b) for(int i=a; i<b; i++) #define all(x) (x).begin(),(x).end() typedef long long ll; typedef vector<int> vi; int main() { int a, b, c; cin >> a >> b >> c; cout ...
105
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<stdio.h> int main(void) { int a,b,c; scanf("%d %d %d",&a,&b,&c); printf("%d\n",a*b/2); return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> #include <iomanip> using namespace std; #define reps(i,s,n) for(int i = s; i < n; i++) #define rep(i,n) reps(i,0,n) #define fi first #define se second #define mp make_pair typedef long long ll; typedef vector<ll> vec; typedef vector<vec> mat; ll N,M,H,W,K,A,B; string S; string alpha = "abcdefg...
137
Project_CodeNet
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#include <iostream> #include <vector> #include <string> #include <algorithm> #include <utility> #include <numeric> #include <array> #include <cmath> using namespace std; //変数デバッグ #define DEB(variable) cout << #variable << '=' << variable << endl //for簡易表記(引数ミス防止) #define FOR(LoopVariable,numberOFbegin,numberOFend) for...
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> #include <queue> #include <math.h> #include <map> #include <time.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; #define pb push_back #define rep(i, a, n) for(int i = (a); i < (n); i++) #define dep(i, a, ...
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; signed 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; }
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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 rep2(i,s,n) for (int i = s; i < n; ++i) 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> #include <map> #include <utility> #include <list> #include <string> #include <vector> #include <algorithm> #include <set> using namespace std; #define LL long long int main() { int s, t, u; cin >> s >> t >> u; cout << s * t / 2 << endl; 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; 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> #include <vector> #include <algorithm> using namespace std; int main() { vector<int> sides(3); for (int i = 0; i < 3; i++) cin >> sides[i]; sort(begin(sides), end(sides)); cout << sides[0] * sides[1] / 2 << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <stack> #include <queue> #include <deque> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <cmath> #include <limits> #include <climits> #include <utility> #include <algorithm> #include <numeric> using namespace std...
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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 ALL(v) (v).begin(),(v).end() using namespace std ; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vvi; int main() { int a, b, c ; cin >> a >> b >> c ; cout <<a*b/2<<endl ; return 0 ; } /* 吾輩はやれ...
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Project_CodeNet
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#include<iostream> using namespace std; #include<math.h> int main (){ double a, b, c, d; cin >> a >> b >> c; d = (a * b *(sqrt(1-((a*a + b*b - c*c)/(2*a*b))*((a*a + b*b - c*c)/(2*a*b)))))/2; cout << d << endl; return 0; }
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Project_CodeNet
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//20190615 #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; // templates ------------------------------------- #define ULL unsigned long long #define LL long long #define LLD long long double #define REP(i, n) for(LL i = 0; i < n; i++) #define INV_REP(i, n) for(LL i = n; 0 <= i; i--) LL sumOfDigits(LL n) { LL sum = 0; while(0...
490
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; int main() { vector<int> sides(3); for (int i = 0; i < 3; i++) { cin >> sides.at(i); } sort(sides.begin(), sides.end()); cout << sides.at(0) * sides.at(1) / 2 << endl; }
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Project_CodeNet
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#include<stdio.h> #include<stdlib.h> int main() { int a,b,c,x; scanf("%d %d %d",&a,&b,&c); x=(a*b)/2; printf("%d\n",x); return 0; }
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <algorithm> #include <cmath> #include <iomanip> #include <cctype> #define len length() #define sz size() #define rng(i, a, b) for(int i = a; i < b; i++) #define rep(i, n) rng(i, 0, n) #define srt(v) sort(v.begin(), v.end()) #define rev(s) reverse(s.begin(...
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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> #define SZ(x) ((int)(x).size()) typedef long long ll; typedef long double ld; using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout.setf(ios::fixed); cout.precision(20); int a, b, c; cin >> a >> b >> c; cout << (a * b) / 2 << "\n"; }
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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; int area = ab * bc / 2; cout << area << endl; return 0; }
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <map> #include <cmath> #include <algorithm> #include <functional> typedef long long ll; using namespace std; //#define int long long //素数判定 inline bool IsPrime(int p) { if (p == 1) return false; for (int i = 2; i <= sqrt(p); i++) { if (p%i == 0) retu...
571
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { vector<int> vec(3); for(int i=0;i<3;i++){ cin>>vec.at(i); } sort(vec.begin(),vec.end()); cout<<vec.at(0)*vec.at(1)/2<<endl; }
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Project_CodeNet
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#include <iostream> #include <string> using namespace std; int main(){ int N, K, L; cin >> N >> K >> L; cout << (N*K)/2 << endl; return 0; }
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Project_CodeNet
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//C //#ifndef _GLIBCXX_NO_ASSERT #include <cassert> #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include...
427
Project_CodeNet
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#include <iostream> #include <string> #include <utility> #include <algorithm> #include <map> #include <set> #include <vector> #include <cmath> #include <cstdlib> #include <queue> #include <stack> using namespace std; #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...
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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=max(A,max(B,C)); cout<<A*B*C/(2*D)<<endl; }
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Project_CodeNet
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#include<iostream> #include<vector> #include<cstdio> #include<string> #include<algorithm> #include <sstream> #include<map> #include<cmath> #include<queue> #include <functional> #define rep(i,n) for (int i = 0; i < n; ++i) using namespace std; int main() { vector<int> vNum(3, 0); rep(i, 3) { cin >> vNum[i]; } ...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int side[4]; int main() { int i; for(i=0;i<3;i++) scanf("%d",&side[i]); sort(side,side+3); printf("%d",side[0]*side[1]/2); return 0; }
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Project_CodeNet
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#include <iostream> #include <vector> #include <string> #include <algorithm> #define FOR(i, n) for(int i = 0; i < (n); i ++) #define CIN(type, val) type val; cin >> val; #define COUT(val) cout << (val) << "\n"; using namespace std; int main(void){ CIN(int, a); CIN(int, b); COUT(a*b/2); }
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Project_CodeNet
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#include <iostream> #include <queue> #include <vector> #include <algorithm> using namespace std; typedef long long ll; #define repi(i, a, b) for(int i = int(a); i < int(b); ++i) #define rep(i, n) repi(i, 0, n) #define rerepi(i, a, b) for(int i = int(a)-1; i >= b; --i) #define rerep(i, n) rerepi(i, n, 0) template<clas...
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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 <algorithm> #include <iostream> #include <iomanip> #include <cassert> #include <cstring> #include <string> #include <vector> #include <random> #include <bitset> #include <queue> #include <cmath> #include <unordered_map> #include <set> #include <map> #define rep(i,n) for (int i=0; i<n;++i) #define ALL(a) (a).b...
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Project_CodeNet
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#include <iostream> using namespace std; int main(){ float a,b,c; cin >> a >> b >> c; cout << (0.5 * a * 2*b)*0.5; }
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Project_CodeNet
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#include <iostream> #include <vector> #include <cstdlib> #include <cmath> using namespace std; int main (int argc, char const *argv[]) { 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,S,areaTriangle; cin>>A>>B>>C; S=(A+B+C)/2; areaTriangle=sqrt(S*(S-A)*(S-B)*(S-C)); cout<<areaTriangle; }
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Project_CodeNet
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#include <iostream> #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> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; int ans; ans = a*b/2; cout << ans << endl; 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; return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long int ll; int main() { int a,b,c,s,ans=0; cin>>a>>b>>c; s=(a+b+c)/2; ans=sqrt(s*(s-a)*(s-b)*(s-c)); cout<<ans; return 0; }
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Project_CodeNet
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#include<iostream> #include<algorithm> using namespace std; int main (void) { int a,b,c; cin>>a>>b>>c; cout<<a*b*c/(2*max({a,b,c}))<<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define REP(i, n) for(int i=0; i<(n); ++i) #define FOR(i, a, b) for(int i=(a); i<(b); ++i) #define FORR(i, a, b) for...
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Project_CodeNet
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#include<iostream> #include<vector> #include<cstdio> #include<string> #include<cmath> #include<math.h> #include<algorithm> #include<string.h> #include <iomanip> #include <sstream> 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; typedef long long ll; #define REP(i,n) for(int i=0; i<int(n); i++) #define FOR(i,m,n) for(int i=int(m); i<int(n); i++) #define ALL(obj) (obj).begin(),(obj).end() #define VI vector<int> #define VLL vector<long long> #define VVI vector<vector<int>> #define VVLL vector<vector...
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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; int main() { int a, b, c; cin >> a >> b >> c; int d, e; d = min(a, min(b, c)); e = max(a, max(b, c)); if(d == a){ if(e == b) e = c; else e = b; } else if(d == b){ if(e == a) e = c; else e = a; } else{ ...
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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; 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<string> #include<algorithm> #include<vector> #include<queue> #include<map> #include<math.h> #include<iomanip> #include<set> #include<numeric> #include<cstring> #include<cstdio> #include<functional> #define REP(i, n) for(int i = 0;i < n;i++) #define REPR(i, n) for(int i = n;i >= 0;i--) #defi...
1,225
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; 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++) #define repr(i, n) for(int i = n;i >= 0;i--) #define for1(i, m, n) for(int i = m;i < n;i++) #define ll long long #define endl '\n' using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); int a, b, c; cin >> a >> b >> c;...
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Project_CodeNet
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#ifdef _WIN32 #define DEBUG 1 #endif #define _CRT_SECURE_NO_WARNINGS #define MATH_PI 3.14159265358979323846264338327950288419716939 #include <iostream> #include <string.h> #include <fstream> #include <math.h> using namespace std; #ifdef DEBUG #include "include.h" #else inline signed wait(){return 0;} inline void dout...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; int a, b, c; int main() { cin.sync_with_stdio(0); cin.tie(0); cin >> a >> b >> c; cout << a * b / 2; }
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Project_CodeNet
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#include <iostream> #include <math.h> using namespace std; int main () { int a, b, c; cin >> a >> b >> c; double s = 0.5 * (a + b + c); cout << pow(s * (s - a) * (s - b) * (s - c), 0.5); }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) int a,b,c; int main(){ cin.tie(0); ios::sync_with_stdio(false); cin >>a >> b >> c; if(a > b){ swap(a,b); } if(a > c){ swap (a,c); } if(b > c){ swap(b,c); } cout << a * b /2 << end...
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Project_CodeNet
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#include <iostream> 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 <iostream> 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(){ int x, y, z; cin >> x >> y >> z; cout << x*y/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 << sqrt((a+b+c)*(a-b+c)*(b-c+a)*(c-a+b)/16) << endl; }
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Project_CodeNet
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#include <bits/stdc++.h> #include <iostream> #include <climits> #include <algorithm> typedef long long int ll; using namespace std; #define INF 1LL << 60; #include <string> #include <typeinfo> #include <bitset> int main(){ int A,B,C; cin >> A >> B >> C; int S; S = (A*B)/2; cout << S << endl; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int a,b,c; int main(){ cin>>a>>b>>c; if(c>a&&c>b) cout<<a*b/2; if(b>a&&b>c) cout<<a*c/2; if(a>b&&a>c) cout<<b*c/2; 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; vector<int> s={a,b,c}; sort(s.begin(),s.end()); cout << s.at(0)*s.at(1)/2 << endl; }
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Project_CodeNet
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#include<iostream> #include<string> #include<vector> #include<stdio.h> #include<algorithm> #include<stdlib.h> #define _USE_MATH_DEFINES #include<math.h> #include<numeric> #include<iomanip> #include<deque> 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> #include <math.h> using namespace std; #define rep(i,n) for (ll i=0; i<(n); ++i) #define rep1(i,n) for (ll i=1; i<=(n); ++i) typedef long long ll; bool debug=false; string yes = "Yes"; string no = "No"; const ll mod = 998244353; const double e = 0.000000001; int main(){ int a,b,c; cin >> a >...
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Project_CodeNet
2,020
#include <bits/stdc++.h> #define rep(i, a) for(int i = 0; i < a; i++) #define all(v) v.begin(), v.end() #define dcout cout << fixed << setprecision(15) #define arep(i, a) for(auto i : a) #define F first #define S second #define VE vector<int> #define pb(x) push_back(x) #define MOD 1000000007 #define INF 10000000000 #de...
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Project_CodeNet
2,019
#include<iostream> using namespace std; int main(){ int x,y; cin >> x >> y; cout << x * y / 2; }
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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 << (double)(AB * BC) / 2 << endl; return 0; }
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Project_CodeNet
2,019
#include <iostream> #include <map> #include <algorithm> #include <string> #include <vector> #include <numeric> #include <cmath> #include <queue> #include <iomanip> #include <functional> #define CHMAX(a,b) a = std::max(a,b) #define CHMIN(a,b) a = std::min(a,b) #define CHABS(a) a = std::abs(a) #define COUT(a) std::co...
335
Project_CodeNet
2,019
#include <iostream> #include <vector> #include <map> #include <set> #include <queue> #include <string> #include <iomanip> #include <algorithm> #include <cmath> #include <stdio.h> using namespace std; #define int long long int MOD = 1000000007; signed main() { cin.tie(0); ios::sync_with_stdio(false); int A, B, C; ci...
104
Project_CodeNet
2,019
#include<iostream> #include<vector> #include <cmath> using namespace std; int main(void){ int c,a,b; cin>>c>>a>>b; cout<<a*c/2<<endl; return 0; }
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Project_CodeNet
2,019
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> usi...
375
Project_CodeNet
2,019
#include <bits/stdc++.h> #include <algorithm> #include <queue> using namespace std; int main(){ int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; }
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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; }
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Project_CodeNet
2,020
//Right Triangle #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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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ int a, b, c; cin >> a >> b >> c; cout << a*b/2 << endl; return 0; }
53
Project_CodeNet
2,020
#pragma gcc optimize("Ofast") #include <bits/stdc++.h> using namespace std; using ll = long long; #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define ALL(V) (V).begin(),(V).end() #define SORT(V) sort(ALL(V)) //小さい方からソート #define REV(V) reverse(ALL(V)) //リバース #define RSORT(V) SOR...
592
Project_CodeNet
2,020
#include <bits/stdc++.h> // created [2020/02/02] 00:32:40 #pragma GCC diagnostic ignored "-Wsign-compare" #pragma GCC diagnostic ignored "-Wsign-conversion" using i32 = int32_t; using i64 = int64_t; using u32 = uint32_t; using u64 = uint64_t; using uint = unsigned int; using usize = std::size_t; using ll =...
1,690
Project_CodeNet
2,019
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0;i < (n);i++) using namespace std; int main () { int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab*bc / 2; }
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