제출 #465987

#제출 시각아이디문제언어결과실행 시간메모리
465987SupersonicBitaro the Brave (JOI19_ho_t1)C++14
20 / 100
20 ms768 KiB
#include <bits/stdc++.h> using namespace std; int main(){ int h,w;cin>>h>>w; int o[h];int n[w];char g[h][w]; memset(o,0,sizeof(o));memset(n,0,sizeof(n)); for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ cin>>g[i][j]; if(g[i][j]=='O')o[i]++; if(g[i][j]=='I')n[j]++; } } int t=0; for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ if(g[i][j]=='J')t+=o[i]*n[j]; if(g[i][j]=='O')o[i]--; if(g[i][j]=='I')n[j]--; } } cout<<t<<endl; return 0; }
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