Submission #101387

#	Time	Username	Problem	Language	Result	Execution time	Memory
101387		fadi57	Bomb (IZhO17_bomb)	C++14	15 / 100	1087 ms	55468 KiB

bomb

#include <bits/stdc++.h>
using namespace std;
 
#define clr(i, j)     memset(i, j, sizeof(i))
#define pb            push_back
 
typedef long long     ll;
 
//-*-*-*-*-*-*-*-*-

set<ll>s;

ll n,m;
ll ar[10000][2500];
bool valid(ll x ,ll y){
   if(x<n&&y<m&&x>=0&&y>=0&&ar[x][y]==1){return 1;}
   return 0;
}


int main()
{
   
 cin>>n>>m;
for (int i = 0; i < n; i++){
		for (int j = 0; j < m; j++){
			char c;
			cin >> c;
			ar[i][j] = c - '0';
		}
	}
	ll a=99999999;ll b=99999999;
for(int i=0;i<n;i++){
for(ll l=0;l<m;l++){
   ll k=1; ll f=1;
   if(valid(i,l)){
    
      ll t=l+1;
      while(valid(i,t)){t++;k++;}  
      t=l-1;
      while(valid(i,t)){t--;k++;}
      
      ll d=i-1;
      while(valid(d,l)){d--;f++;}
      d=i+1;
      while(valid(d,l)){d++;f++;}
       a=min(k,a);b=min(f,b);
       //if(f==1){cout<<i<<l;return 0;}
      
   }
  
}
}
cout<<a*b;
   }

• Subtask 1: 15 / 100