제출 #38356

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38356		mirbek01	Bomb (IZhO17_bomb)	C++14	24 / 100	406 ms	8144 KiB

bomb

# include <bits/stdc++.h>
#pragma GCC optimize("Ofast")

# define pb push_back
# define fr first
# define sc second
# define mk make_pair

using namespace std;

const long long linf = 1e18 + 7;
const int inf = 1e9 + 7;
const int N = 2505;

typedef long long ll;

int n, m, a = inf, b = inf;
char ch[N][N];

int main(){
      scanf("%d %d", &n, &m);

      for(int i = 1; i <= n; i ++){
            scanf("\n");
            for(int j = 1; j <= m; j ++)
                  scanf("%c", &ch[i][j]);
      }

      for(int i = 1; i <= n; i ++){
            int cur = 0;
            for(int j = 1; j <= m; j ++){
                  if(ch[i][j] == '1') cur ++;
                  else{
                        if(cur) a = min(a, cur);
                        cur = 0;
                  }
            }
            if(cur) a = min(a, cur);
      }

      for(int i = 1; i <= m; i ++){
            int cur = 0;
            for(int j = 1; j <= n; j ++){
                  if(ch[j][i] == '1') cur ++;
                  else {
                        if(cur) b = min(b, cur);
                        cur = 0;
                  }
            }
            if(cur) b = min(b, cur);
      }
      if(a == inf) printf("0"); else
      printf("%d", a * b);
}

컴파일 시 표준 에러 (stderr) 메시지

bomb.cpp: In function 'int main()':
bomb.cpp:21:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d", &n, &m);
                             ^
bomb.cpp:24:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("\n");
                        ^
bomb.cpp:26:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
                   scanf("%c", &ch[i][j]);
                                         ^

• Subtask 1: 24 / 100