Submission #1800660
Source Code Expand
#include <cstdio>
#include <cstring>
#define MAXN 2010
int n,m,q;
int a[MAXN][MAXN];
int s1[MAXN][MAXN],s2[MAXN][MAXN],s3[MAXN][MAXN];
int getS1(int x1,int y1,int x2,int y2){ return s1[x2][y2]-s1[x1-1][y2]-s1[x2][y1-1]+s1[x1-1][y1-1]; }
int getS2(int x1,int y1,int x2,int y2){ return s2[x2][y2]-s2[x1-1][y2]-s2[x2][y1-1]+s2[x1-1][y1-1]; }
int getS3(int x1,int y1,int x2,int y2){ return s3[x2][y2]-s3[x1-1][y2]-s3[x2][y1-1]+s3[x1-1][y1-1]; }
int main(){
#ifdef DEBUG
freopen("C.in","r",stdin);
#endif
scanf("%d%d%d",&n,&m,&q);
for(int i=1;i<=n;i++){
static char str[MAXN];
scanf("%s",str+1);
for(int j=1;j<=m;j++)
a[i][j]=str[j]-'0';
}
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
s1[i][j]=a[i][j];
if(a[i][j] && a[i][j+1]) s2[i][j]=1;
if(a[i][j] && a[i+1][j]) s3[i][j]=1;
}
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
s1[i][j]+=s1[i-1][j]+s1[i][j-1]-s1[i-1][j-1];
s2[i][j]+=s2[i-1][j]+s2[i][j-1]-s2[i-1][j-1];
s3[i][j]+=s3[i-1][j]+s3[i][j-1]-s3[i-1][j-1];
}
while(q--){
int x1,y1,x2,y2;
scanf("%d%d%d%d",&x1,&y1,&x2,&y2);
printf("%d\n",getS1(x1,y1,x2,y2)-getS2(x1,y1,x2,y2-1)-getS3(x1,y1,x2-1,y2));
}
return 0;
}
Submission Info
Submission Time |
|
Task |
C - Nuske vs Phantom Thnook |
User |
ez_zjt |
Language |
C++14 (GCC 5.4.1) |
Score |
700 |
Code Size |
1209 Byte |
Status |
AC |
Exec Time |
178 ms |
Memory |
64768 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:17:26: 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:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%s",str+1);
^
./Main.cpp:38:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d%d",&x1,&y1,&x2,&y2);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
700 / 700 |
Status |
|
|
Set Name |
Test Cases |
Sample |
s1.txt, s2.txt |
All |
01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, s1.txt, s2.txt |
Case Name |
Status |
Exec Time |
Memory |
01.txt |
AC |
136 ms |
64384 KB |
02.txt |
AC |
174 ms |
64256 KB |
03.txt |
AC |
149 ms |
64384 KB |
04.txt |
AC |
172 ms |
64128 KB |
05.txt |
AC |
154 ms |
64640 KB |
06.txt |
AC |
178 ms |
64256 KB |
07.txt |
AC |
123 ms |
64256 KB |
08.txt |
AC |
156 ms |
63616 KB |
09.txt |
AC |
147 ms |
63744 KB |
10.txt |
AC |
177 ms |
64128 KB |
11.txt |
AC |
136 ms |
64384 KB |
12.txt |
AC |
125 ms |
41984 KB |
13.txt |
AC |
92 ms |
62336 KB |
14.txt |
AC |
73 ms |
7168 KB |
15.txt |
AC |
66 ms |
6656 KB |
16.txt |
AC |
72 ms |
7040 KB |
17.txt |
AC |
88 ms |
62208 KB |
18.txt |
AC |
91 ms |
61824 KB |
19.txt |
AC |
74 ms |
7168 KB |
20.txt |
AC |
148 ms |
62080 KB |
21.txt |
AC |
134 ms |
63872 KB |
22.txt |
AC |
176 ms |
64128 KB |
23.txt |
AC |
75 ms |
12160 KB |
24.txt |
AC |
177 ms |
64256 KB |
25.txt |
AC |
66 ms |
6656 KB |
26.txt |
AC |
71 ms |
9344 KB |
27.txt |
AC |
68 ms |
7040 KB |
28.txt |
AC |
91 ms |
61824 KB |
29.txt |
AC |
88 ms |
62208 KB |
30.txt |
AC |
72 ms |
7040 KB |
31.txt |
AC |
144 ms |
64768 KB |
32.txt |
AC |
158 ms |
64512 KB |
33.txt |
AC |
129 ms |
64256 KB |
34.txt |
AC |
158 ms |
64512 KB |
35.txt |
AC |
118 ms |
64000 KB |
36.txt |
AC |
156 ms |
64000 KB |
37.txt |
AC |
123 ms |
64000 KB |
38.txt |
AC |
155 ms |
64000 KB |
39.txt |
AC |
119 ms |
64640 KB |
40.txt |
AC |
168 ms |
64384 KB |
41.txt |
AC |
129 ms |
64256 KB |
42.txt |
AC |
157 ms |
64000 KB |
43.txt |
AC |
126 ms |
63616 KB |
44.txt |
AC |
154 ms |
63744 KB |
45.txt |
AC |
2 ms |
6272 KB |
46.txt |
AC |
2 ms |
6272 KB |
47.txt |
AC |
2 ms |
6272 KB |
48.txt |
AC |
2 ms |
6272 KB |
s1.txt |
AC |
2 ms |
6272 KB |
s2.txt |
AC |
2 ms |
6272 KB |