CodeForces 7A - Kalevitch and Chess

数学题，计算画几次能画出要求的图形。

#include <iostream>#include <cstdio>#include <cmath>#include <cstdlib>#include <iomanip>#include <algorithm>#include <cctype>#include <stack>#include <queue>#include <string>#include <cstring>#include <iomanip>#include <set>#include <vector>#include <cstdio>#include <stack>#include <sstream>#include <cstring>#include <map>using namespace std;char arr[9][9];int main(){for(int i=0;i<8;++i){for(int j=0;j<8;++j){cin>>arr[i][j];}}int res1=0;   for(int j=0;j<8;j++){if(arr[0][j]=='B'){int cnt=0;for(int k=1;k<8;k++){if(arr[k][j]=='B')cnt++;if(cnt==7)res1++;}}} int res2=0; for(int i=0;i<8;i++){if(arr[i][0]=='B'){int cnt=0;for(int k=1;k<8;++k){if(arr[i][k]=='B')cnt++;if(cnt==7)res2++;}}}if(res1+res2==16)cout<<"8"<<endl;else cout<<res1+res2<<endl;return 0;}