제출 #167416

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
167416	2019-12-08 10:38:31	GioChkhaidze	Bomb (IZhO17_bomb)	C++14	41 / 100	570 ms	121668 KiB

bomb

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#include <bits/stdc++.h>
#define Tree int h,int l,int r
#define Left 2*h,l,(l+r)/2
#define Right 2*h+1,(l+r)/2+1,r
#define F first
#define S second
using namespace std;
const int N=2505;
int n,m,width=1e9,length=1e9,last,D[N][N],Dr[N][N],X,Y;
string s[N],S;
vector < pair < int , pair < int , int > > > v;
inline bool check(int x,int y) {
  for (int i=0; i<=n; i++)
    for (int j=0; j<=m; j++)
      Dr[i][j]=0;
  
  for (int i=0; i<n; i++) 
    for (int j=0; j<m; j++)
        if (D[i+x][j+y]-D[i][j+y]-D[i+x][j]+D[i][j]==0 && s[i][j]=='1') 
           Dr[i+1][j+1]=Dr[i][j+1]+Dr[i+1][j]-Dr[i][j]+1;
          else
           Dr[i+1][j+1]=Dr[i][j+1]+Dr[i+1][j]-Dr[i][j];
  
                               
  for (int i=1; i<=n; i++)
    for (int j=1; j<=m; j++) 
      if (s[i-1][j-1]=='1') {
        X=max(i-x,0),Y=max(j-y,0);
        if (Dr[i][j]-Dr[i][Y]-Dr[X][j]+Dr[X][Y]==0) return 0;
      }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bomb.cpp:35:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
bomb.cpp: In function 'int main()':
bomb.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 41 / 100