Language: C++
Counting triangles
#include <vector> #include <list> #include <map> #include <set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <cstdio> #include <cmath> #include <cstdlib> #include <ctime> using namespace std; int main() { //freopen("input.txt","r",stdin); int cases; long long res; int num[4]; short X,Y; cin >> cases; while(cases--) { res = 0; cin >> X >> Y; for(int i=0;i<=X;i++) { for(int j=0;j<=Y;j++) { //For every point I count the number of possible traingles with possible rotations num[0] = min(i,Y-j); num[1] = min(X-i,Y-j); num[2] = min(X-i,j); num[3] = min(i,j); for(int k=0;k<4;k++) { if(k!=0) res += num[k]*(num[k-1]+1); else res += num[k]*(num[3]+1); } } } printf("%lld\n",res); } return 0; }
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