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394k
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int A,B,C; cin>>A>>B>>C; int k=max(A,max(B,C)); if(k==A){ cout << B*C/2<<endl; }else if(k==B){ cout << A*C/2<<endl; }else if(k==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; }
37
Project_CodeNet
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#include<iostream> #include <algorithm> #include<string> #include <numeric> #include<math.h> #include <bits/stdc++.h> 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
2,020
#include <bits/stdc++.h> #define rep(i,n) for(int (i)=0;(i)<(int)(n);(i)++) #define REP(i,n) for(int (i)=0;(i)<=(int)(n);(i)++) #define rep1(i,x,n) for(int (i)=(x);(i)<(int)(n);(i)++) #define REP1(i,x,n) for(int (i)=(x);(i)<=(int)(n);(i)++) #define rrep(i,x) for(int i=((int)(x)-1);i>=0;i--) using namespace std; using l...
334
Project_CodeNet
2,020
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; int main(){ int AB, BC, CA; cin >> AB >> BC >> CA; if (AB < CA && BC < CA) cout << AB * BC / 2 << endl; else if (BC < AB && CA < AB) cout << BC * CA / 2 << endl; else cout << CA * AB / 2 << endl; }
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main(){ int ab,bc;cin>>ab>>bc; cout<<ab*bc/2; }
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Project_CodeNet
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#include <stdio.h> int main(int atgc, char *argv[]) { int c, a, b; scanf("%d%d%d", &c, &a, &b); printf("%d", c * a / 2); return 0; }
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Project_CodeNet
2,020
#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
#include <iostream> #include <vector> #include <string> #include <math.h> #include <algorithm> #include <set> #include <iomanip> #include <stdio.h> #include <sstream> #include <string> using namespace std; int main(void){ int a, b, c; cin>>a>>b>>c; cout<<a*b/2<<endl; }
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Project_CodeNet
2,019
#include <iostream> using namespace std; int main() { double a, b, c; cin >> a >> b >> c; cout << (a*b)/2 << endl; }
41
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) using ll = long long; int main() { int A,B,C; cin >> A>>B>>C; cout << A*B/2 << endl; }
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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { long long a, b, c; cin >> a >> b >> c; cout << (long long)(sqrt(pow(a * a + b * b + c * c, 2) - 2 * (pow(a, 4) + pow(b, 4) + pow(c, 4))) + 1e-9) / 4 << endl; return 0; }
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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; }
41
Project_CodeNet
2,019
#include <iostream> using namespace std; int main() { int a; int b; int c; cin>>a; cin>>b; cin>>c; cout<<a*b/2<<endl; return 0; }
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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
#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
2,019
#include<algorithm> #include<iostream> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
44
Project_CodeNet
2,019
// Undone #include <bits/stdc++.h> #define int long long #define double long double #define INF 1e18 #define MOD 1000000007 using namespace std; signed main() { int AB, BC, CA; cin >> AB >> BC >> CA; cout << AB*BC/2 << endl; }
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Project_CodeNet
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#include <iostream> #include <map> #include <set> #include <string> #include <algorithm> using namespace std; using ll = long long; using ld = long double; 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 <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int ab, bc, ca; cin >> ab >> bc >> ca; cout << ab * bc / 2 << '\n'; return 0; }
65
Project_CodeNet
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#include<stdio.h> int main(void) { int ab, bc, ca; scanf("%d %d %d", &ab, &bc, &ca); printf("%d\n", (ab*bc) / 2); return 0; }
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Project_CodeNet
2,019
#include<bits/stdc++.h> #include<iomanip> using namespace std; #define rep(i,n) for(int i=0;i<n;i++) typedef long long ll; // typedef long l; typedef pair<int,int> P; const ll INF=100000000000000001; const double PI=3.141592653589; int main(){ int a,b,c; cin>>a>>b>>c; if(a>max(b,c)){ cout<<b*c/2<<endl; }els...
145
Project_CodeNet
2,019
#include<stdio.h> #include<math.h> #include<stdlib.h> #include <iostream> #include<string.h> #include<algorithm> #define ll long long #define hengheng main () using namespace std; int hengheng { ll a[10]; ll b,c; ll t; while(scanf("%lld%lld%lld",&a[1],&a[2],&a[3])!=EOF) { sort(a+1,a+4); printf("%lld\n",a[...
121
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; int main(){ int a,c,b; cin >> a >> b >> c; cout << 0.5*a*b << endl; return 0; }
46
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; int area= (a*b)/2; cout<<area<<endl; }
50
Project_CodeNet
2,019
#include<cstdio> using namespace std; int main() { int ab, bc, ca; scanf("%d %d %d", &ab, &bc, &ca); printf("%d\n", ab*bc / 2); return 0; }
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Project_CodeNet
2,019
# 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
2,020
#include <iostream> #include <vector> #include <cstdlib> #include <algorithm> #include <string> #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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Project_CodeNet
2,019
#include <iostream> using namespace std; int main () { int a,r,m; cin>>a>>r>>m; if (m>=r && m>=a) cout<<(a*r)/2; return 0; }
52
Project_CodeNet
2,020
#include<bits/stdc++.h> #define forOneToN(i, n) for(int i = 1; i <= n; i++) #define forZeroToNminus(i, n) for(int i = 0; i < n; i++) #define forNToOne(i, n) for(int i = n; i >= 1; i--) #define forNminusToZero(i, n) for(int i = n-1; i >= 0; i--) #define makepair make_pair #define pu...
1,010
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { int A, B, C; cin >> A >> B >>C; cout<<(A * B / 2)<<endl; return 0; }
50
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; int p=a*b*c; int h=max({a,b,c}); cout<<p/(2*h)<<endl; }
57
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; #define REP(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) for (int i = (int)(n-1); i >= 0; i--) #define sz(x) int(x.size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define INF 2e9 ...
252
Project_CodeNet
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//#include "bits/stdc++.h" #include <iostream> #include <vector> #include <map> #include <utility> #include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <stack> #include <queue> #include <set> #include <unordered_map> #include <unordered_set> #include <numeric> #include <complex> #include ...
657
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define pp pair<int,int> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define ll long long #define ld long double #define all(a) (a).begin(),(a).end() #define mk make_pair ll MOD=1000000007; ll mod=998244353; int inf=1000001000; ll INF=1e18+5; int main() { int a,b,c; ...
129
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { //入力 int A,B,C; cin>>A>>B>>C; int x=0; //処理 x=A*B/2; //出力 cout<<x<<endl; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { long long a, b, c; cin >> a >> b >> c; cout << a * b / 2; return 0; }
47
Project_CodeNet
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#include <algorithm> #include <cmath> #include <iostream> #include <vector> #include <string> using namespace std; int main() { int AB, BC, CA; cin >> AB >> BC >> CA; cout << (AB * BC) / 2 << endl; }
60
Project_CodeNet
2,019
#include <iostream> using ll = long long; using namespace std; ll a,b,c; ll MAX = 0; ll ret; void input(){ cin >> a >> b >> c; } void solve(){ if(a>=b && a>=c){ MAX = a; }else if(b>=a && b>=c){ MAX = b; }else if(c>=a && c>=b){ MAX = c; } ret = a * b * c / (MAX * 2); } ...
135
Project_CodeNet
2,020
#include <stdio.h> int a, b, c, x; int main() { scanf("%d%d%d", &a, &b, &c); if (a < c && b < c)x = a * b; if (a < b && c < b)x = a * c; if (b < a && c < a)x = b * c; printf("%d\n", x / 2); }
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Project_CodeNet
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#include <iostream> using namespace std; int main(void) { int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; return 0; }
48
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; #define pb push_back #define ff first #define ss second typedef long long ll; typedef pair<int, int> pii; int a, b, c; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); cin >> a >> b >> c; cout << a* b / 2; return 0; }
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<cstdio> #include<cstring> #include<cmath> #include<map> #include<queue> #include<set> #include<stack> #include<string> #include<vector> using namespace std; typedef long long LL; int main() { int a[10]={0}; for(int i=0;i<3;i++) cin>>a[i]; sort(a,a+3); printf("%d",a[0...
96
Project_CodeNet
2,020
#include <algorithm> #include <cmath> #include <iostream> #include <string> #include <vector> #include <numeric> typedef long long ll; #define all(x) (x).begin(), (x).end() // sortなどの引数を省略 #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define max3(x, y, z) max(x, max(y, z)) #ifdef _MSC_FULL_VER //デバッグ出力 #define...
425
Project_CodeNet
2,019
#include <bits/stdc++.h> #include <algorithm> #include <string> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int AB, BC, CA; cin >> AB >> BC >> CA; cout << ((AB * BC) / 2) << endl; return 0; }
75
Project_CodeNet
2,019
#include<stdio.h> #define min(x,y) ((x)<(y)?(x):(y)) int a,b,c,d,e; main() { scanf("%d%d%d",&a,&b,&c); if(a<=b&&a<=c)d=a; if(b<=a&&b<=c)d=b; if(c<=a&&c<=b)d=c; if(d==a)e=min(b,c); if(d==b)e=min(a,c); if(d==c)e=min(a,b); printf("%d",d*e/2); }/**/
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Project_CodeNet
2,020
#include<iostream> #include<string> #include<algorithm> #include<vector> #include<map> #include<cmath> #include<string> #include<bitset> #include <sstream> #include<queue> #include<set> #define rep(i,n) for(ll i=0;i<(n);++i) using namespace std; typedef long long ll; typedef pair<int,ll>P; const ll mod = 1e9+7; const ...
131
Project_CodeNet
2,019
#include <iostream> #include <algorithm> using namespace std; int main() { int AB, BC, CA; cin >> AB >> BC >> CA; cout << AB * BC * CA / max(AB, max(BC, CA)) / 2 << endl; }
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Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main(){ int tri[3]; cin >> tri[0] >> tri[1] >> tri[2]; sort(tri,tri + 3); cout << 0.5*tri[0]*tri[1] << endl; }
63
Project_CodeNet
2,020
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <iomanip> #include <math.h> #include <map> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; int maxi = max(a, max(b, c)); int ans; if (maxi == a) { ans = b * c / 2; } else if (max...
132
Project_CodeNet
2,019
#include <iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; }
42
Project_CodeNet
2,019
#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
2,020
#include <bits/stdc++.h> using namespace std; using ll = long long; constexpr ll MOD = 1e9 + 7; //constexpr ll MOD = 998244353; //constexpr ll MOD = ; ll mod(ll A, ll M) {return (A % M + M) % M;} constexpr ll INF = 1LL << 60; template<class T> bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} templ...
221
Project_CodeNet
2,020
#include <iostream> using namespace std; int main(void){ // Your code here! int A,B,C; cin >> A >> B >> C; cout << (B*2*A)/2/2 << 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 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> 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<stdio.h> #include<math.h> using namespace std; int main() { long long a,b,c; while(scanf("%lld%lld%lld",&a,&b,&c)!=EOF) { if(a>b&&b>c) printf("%lld\n",(b*c)/2); if(b>a&&b>c) printf("%lld\n",(a*c)/2); if(c>a&&c>b) printf("%lld\n",(a*b)/2); } return 0; }
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Project_CodeNet
2,019
#include<iostream> #include<math.h> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << (a*b) / 2 << endl; return 0; }
48
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main() { int a, b; cin >> a >> b; cout << a*b/2 << endl; }
41
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main () { int a , b , c , base , h; cin >> a >> b >> c; cout<<(a*b)/2<<endl; return 0; }
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Project_CodeNet
2,020
#include <bits/stdc++.h> using ll = long long; using namespace std; #define rep(i,n) for(int i=0, i##_len=(int)(n); i<i##_len; i++) #define reps(i,n) for(int i=1 , i##_len=(int)(n);i<=i##_len;i++) #define rrep(i,n) for(int i=((int)(n)-1);i>=0;i--) #define rreps(i,n) for(int i=((int)(n));i>0;i--) #define repi(i,x) for(a...
391
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; signed main(){ int a,b,c; cin>>a>>b>>c; cout<<(a*b)/2<<"\n"; }
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Project_CodeNet
2,019
#include <iostream> using namespace std; int a, b, c, mn, mx; int main() { cin >> a >> b >> c; mn = min(min(a, b), c); mx = max(max(a, b), c); cout << mn * (a + b + c - mn - mx) / 2; return 0; }
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Project_CodeNet
2,020
#include <vector> #include <stack> #include <queue> #include <list> #include <bitset> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <algorithm> #include <numeric> #include <iostream> #include <iomanip> #include <string> #include <chrono> #include <random> #include <cmath> #inc...
207
Project_CodeNet
2,019
#include<iostream> #include <algorithm> #include<string> #include <bitset> #include <vector> #include <functional> #include <climits> #include <iomanip> #include <utility> #include <stack> #include <queue> #include <math.h> #include <iomanip> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <numeric>...
672
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i, n) for (ll i = 0; i < n; i++) #define FOR(i, m, n) for (ll i = m; i < n; i++) #define INF 1e9 int main(int argc, char const *argv[]) { ll a, b, c; cin >> a >> b >> c; cout << (a * b) / 2 << endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int a1, a2, a3; cin >> a1 >> a2 >> a3; cout << (a1 * a2) /2 << endl; }
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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; return 0; }
40
Project_CodeNet
2,020
#include <bits/stdc++.h> 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, m, n) for(int i = m; i < n; i++) #define ALL(obj) (obj).begin(), (obj).end() #define INF 1e9 typedef long long ll; int main() { int c,a,b; cin >> c >> a >> b; ...
130
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; return 0; }
54
Project_CodeNet
2,020
#include<bits/stdc++.h> #define INF 2000000000 #define MOD 1000000007 #define EPS (1e-10) using namespace std; int main(int argc, char *argv[]) { vector<int> v(3,0); for (int i = 0; i < 3; i++) { cin >> v[i]; } sort(v.begin(), v.end()); cout << (v[0] * v[1]) / 2 << endl; return 0; }
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Project_CodeNet
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#include<iostream> int main(){ long long AB,BC,CA; std::cin>>AB>>BC>>CA; std::cout<< AB * BC / 2; return 0; }
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Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int a[3]; cin >> a[0] >> a[1] >> a[2]; 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 <algorithm> #include <string> #define REP(i, a, b) for (int i = int(a); i < int(b); i++) #ifdef _DEBUG_ #define dump(val) cerr << __LINE__ << ":\t" << #val << " = " << (val) << endl #else #define dump(val) #endif using namespace std; typedef long long int ll; template<...
203
Project_CodeNet
2,019
#include<cstdio> #include<algorithm> using namespace std; int main(){ int A[3]; for (int i = 0; i < 3; ++i) scanf("%d", A + i); sort(A, A + 3); printf("%d\n", A[0]*A[1] >> 1); return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> #define ll long long int #define nl '\n' using namespace std; int main(void){ ll t,n,m,mx=0,cnt=0; cin>>t>>n>>m; cout<<.5*t*n<<nl; }
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Project_CodeNet
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#ifdef OJ_MISC_OFFLINE #include "prolog.h" #else #define LOG #define PRINT #define LCERR #include <iostream> auto optimize_cpp_stdio = []() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); std::setvbuf(stdout, nullptr, _IOFBF, BUFSIZ); return 0; }(); #endif #incl...
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Project_CodeNet
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#include <bits/stdc++.h> #define REP(i, n) for(int i = 0;i < n;i++) #define REPR(i, n) for(int i = n;i >= 0;i--) #define FOR(i, m, n) for(int i = m;i < n;i++) #define FORR(i, m, n) for(int i = m;i >= n;i--) #define SORT(v, n) sort(v, v+n); #define VSORT(v) sort(v.begin(), v.end()); #define VRSORT(v) sort(v.rbegin(), v....
295
Project_CodeNet
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#include<iostream> #include<cstdio> #include<algorithm> using namespace std; int main(){ int a[3]; for(int i=0;i<3;i++){ 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> using namespace std ; int main() { int A,B,C ; cin>>A>>B>>C ; cout<<(A*B)/2<<endl ; return 0 ; }
42
Project_CodeNet
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#include <iostream> #include <string> #include <cmath> #include<algorithm> #include<stack> #include<queue> #include<map> #include<iomanip> #define _USE_MATH_DEFINES #include <math.h> #include <functional> using namespace std; #define rep(i,x) for(int i=0;i<x;i++) #define repn(i,x) for(int i=1;i<=x;i++) typedef long l...
201
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; }
38
Project_CodeNet
2,019
#include <iostream> #include <cstdlib> #include <vector> #include <algorithm> #include <string> #include <stdexcept> using namespace std; int main() { int A, B; cin >> A >> B; cout << A * B / 2 << endl; }
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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; if (A>B && A>C){ cout << B*C/2 << endl; } else if (B>A && B>C){ cout << A*C/2 << endl; } else if (C>B && C>A){ cout << B*A/2 << endl; } }
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Project_CodeNet
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#include<iostream> #include<bits/stdc++.h> #include<string> 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<bits/stdc++.h> using namespace std; int main(){ int a, b, c; cin >> a >> b >> c; cout << a*b / 2 << endl; }
40
Project_CodeNet
2,019
#include <iostream> using namespace std; int main(){ int h,w; cin>>h>>w; cout<<(h*w/2)<<endl; return 0; }
38
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int A,B,C; cin>>A>>B>>C; if(A >= B && A >= C){ cout << B*C/2 << endl; } if(B > A && B >= C){ cout << A*C/2 << endl; } if(C > B && C > A){ cout << A*B/2 << endl; } return 0; }
101
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define fin(ans) cout << (ans) << endl; #define blank(ans) cout << (ans) << " "; #define mp(p, q) make_pair(p, q) #define pb(n) push_back(n) #define all(a) a.begin(), a.end() typedef long long ll; typedef long long lli; type...
360
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; int main () { int a,b; cin >> a >> b; cout << a*b/2 << endl; return 0; }
44
Project_CodeNet
2,020
// A.cpp : このファイルには 'main' 関数が含まれています。プログラム実行の開始と終了がそこで行われます。 // #include <iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; return 0; }
97
Project_CodeNet
2,019
#include <iostream> #include <algorithm> #include <string> #include <vector> #include <stack> #include <queue> #include <set> #include <bitset> #include <map> #include <tuple> #include <unordered_map> #include <list> #include <numeric> #include <utility> #include <iterator> #include <cstdio> #include <cmath> #include <...
337
Project_CodeNet
2,019
#include<iostream> #include<iomanip> #include<string> #include<array> #include<cmath> #include<vector> #include<utility> #include<algorithm> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; cout << a * b / 2 << endl; }
63
Project_CodeNet
2,019
#include<cstdio> #include<iostream> #include<cstring> #include<string> #include<cmath> #include<algorithm> #include<map> #include<queue> #include<vector> using namespace std; typedef long long ll; int a,b,c; int main() { scanf("%d%d%d",&a,&b,&c); if(a*a+b*b==c*c) printf("%d\n",a*b/2); else if(a*a+c*c==b*b) ...
122
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main() { int A, B, C; cin >> A >> B >> C; cout << A * B / 2 << endl; }
45
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int AB,BC,AC,i; cin>>AB>>BC>>AC; i=AB*BC/2; cout<<i; }
48
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; int area = a*b*c; area/=max(a,max(b,c)); cout<<area/2; return 0; }
52
Project_CodeNet
2,020
#include <bits/stdc++.h> #include <string> #include <cstring> #include <algorithm> #include <math.h> #include <map> #include <bitset> #include <cmath> #include <set> #include <utility> #define INF 1000000000000 #define MOD 1000000007 //10^9+7:合同式の法 using namespace std; typedef long long ll; //マクロ #define REP(i,n) fo...
196
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; }
52
Project_CodeNet
2,019
#include <iostream> #include <vector> #include <string> using namespace std; typedef long long int ll; ll a, b, c, d, e; ll N, H, K, W; void input() { cin >> a >> b >> c; } void solve() { if (a * a + b * b == c * c) { cout << a * b / 2 << endl; } else if (a * a + c * c == b * b) { ...
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