Submission #37624

#	Time	Username	Problem	Language	Result	Execution time	Memory
37624		Kerim	Bomb (IZhO17_bomb)	C++14	24 / 100	513 ms	8164 KiB

bomb

#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N=2509;
char arr[N][N];
int main(){
    //~ freopen("file.in", "r", stdin);
    int n,m;
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			scanf(" %c",&arr[i][j]);
	int xx=INF,yy=INF;		
	for(int i=1;i<=n;i++){
		int cnt=0;
		for(int j=1;j<=m;j++){
			if(arr[i][j]=='0'){
				if(cnt)
					umin(yy,cnt);
				cnt=0;	
			}
			else
				cnt++;
		}
		if(cnt)
			umin(yy,cnt);
	}	
	for(int j=1;j<=m;j++){
		int cnt=0;
		for(int i=1;i<=n;i++){
			if(arr[i][j]=='0'){
				if(cnt)
					umin(xx,cnt);
				cnt=0;	
			}
			else
				cnt++;
		}
		if(cnt)
			umin(xx,cnt);
	}
	if(xx==INF)
		xx=n;
	printf("%d\n",xx*yy);
	return 0;
}

Compilation message (stderr)

bomb.cpp: In function 'int main()':
bomb.cpp:25:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
bomb.cpp:28:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c",&arr[i][j]);
                           ^

• Subtask 1: 24 / 100