Submission #2246707

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Source Code Expand

#include <stdio.h>
#define MN 2005
int n,m,q,pnt[MN][MN],row[MN][MN],col[MN][MN];
bool b[MN][MN];
int main(){
	scanf("%d%d%d",&n,&m,&q);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			scanf("%1d",&b[i][j]);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			pnt[i][j]=pnt[i-1][j]+pnt[i][j-1]-pnt[i-1][j-1]; if(b[i][j])pnt[i][j]++;
//			printf("%d ",pnt[i][j]);
		}
//		printf("\n");
	}
	for(int i=1;i<n;i++){
		for(int j=1;j<=m;j++){
			row[i][j]=row[i-1][j]+row[i][j-1]-row[i-1][j-1]; if(b[i][j]&&b[i+1][j])row[i][j]++;
//			printf("%d ",row[i][j]);
		}
//		printf("\n");
	}
//	printf("\n");
	for(int i=1;i<=n;i++){
		for(int j=1;j<m;j++){
			col[i][j]=col[i-1][j]+col[i][j-1]-col[i-1][j-1]; if(b[i][j]&&b[i][j+1])col[i][j]++;
//			printf("%d ",col[i][j]);
		}
//		printf("\n");
	}
//	printf("\n");
	for(int i=1;i<=q;i++){
		int xa,xb,ya,yb;
		scanf("%d%d%d%d",&xa,&ya,&xb,&yb);
//		printf("%d ",(pnt[xb][yb]-pnt[xa-1][yb]-pnt[xb][ya-1]+pnt[xa-1][ya-1]));
//		printf("%d ",(row[xb-1][yb]-row[xa-1][yb]-row[xb-1][ya-1]+row[xa-1][ya-1]));
//		printf("%d ",(col[xb][yb-1]-col[xa-1][yb-1]-col[xb][ya-1]+col[xa-1][ya-1]));
		printf("%d\n",
			 (pnt[xb][yb]-pnt[xa-1][yb]-pnt[xb][ya-1]+pnt[xa-1][ya-1])
			-(row[xb-1][yb]-row[xa-1][yb]-row[xb-1][ya-1]+row[xa-1][ya-1])
			-(col[xb][yb-1]-col[xa-1][yb-1]-col[xb][ya-1]+col[xa-1][ya-1])
		);
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:24: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘bool*’ [-Wformat=]
    scanf("%1d",&b[i][j]);
                        ^
./Main.cpp:6:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&n,&m,&q);
                          ^
./Main.cpp:9:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%1d",&b[i][j]);
                         ^
./Main.cpp:35:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d",&xa,&ya,&xb,&yb);
                                    ^

Judge Result