제출 #582700

#제출 시각아이디문제언어결과실행 시간메모리
582700hibikiBitaro the Brave (JOI19_ho_t1)C++11
100 / 100
236 ms53252 KiB
#include<bits/stdc++.h> using namespace std; int h,w; char wd[3005][3005]; int orb[3005][3005]; long long ans = 0; int main() { scanf("%d %d",&h,&w); for(int i = 0; i < h; i++) { scanf("%s",wd[i]); for(int j = w - 1; j >= 0; j--) { orb[i][j] = orb[i][j + 1]; if(wd[i][j] == 'O') orb[i][j]++; } } for(int j = 0; j < w; j++) { int in = 0; for(int i = h - 1; i >= 0; i--) { if(wd[i][j] == 'I') in++; if(wd[i][j] == 'J') ans += in * orb[i][j]; } } printf("%lld\n",ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %d",&h,&w);
      |     ~~~~~^~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%s",wd[i]);
      |         ~~~~~^~~~~~~~~~~~
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