Submission #2236079
Source Code Expand
#include<iostream> #include<cstring> #include<cstdio> #define MN 2000 using namespace std; inline int read() { int x=0,f=1;char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();} while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();} return x*f; } char st[MN+5][MN+5]; int n,m,Q,s[MN+5][MN+5],a[MN+5][MN+5],b[MN+5][MN+5]; inline int C(int S[][MN+5],int u,int d,int l,int r){return S[d][r]-S[u-1][r]-S[d][l-1]+S[u-1][l-1];} int main() { n=read();m=read();Q=read(); for(int i=1;i<=n;++i) scanf("%s",st[i]+1); for(int i=1;i<=n;++i) for(int j=1;j<=m;++j) s[i][j]=s[i-1][j]+s[i][j-1]-s[i-1][j-1]+(st[i][j]=='1'), a[i][j]=a[i-1][j]+a[i][j-1]-a[i-1][j-1]+(st[i][j]=='1'&&st[i][j-1]=='1'), b[i][j]=b[i-1][j]+b[i][j-1]-b[i-1][j-1]+(st[i][j]=='1'&&st[i-1][j]=='1'); for(int i=1;i<=Q;++i) { int X1=read(),Y1=read(),X2=read(),Y2=read(); printf("%d\n",C(s,X1,X2,Y1,Y2)-C(a,X1,X2,Y1+1,Y2)-C(b,X1+1,X2,Y1,Y2)); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Nuske vs Phantom Thnook |
User | FallDream |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 979 Byte |
Status | AC |
Exec Time | 121 ms |
Memory | 52864 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:19:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;++i) scanf("%s",st[i]+1); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
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Set Name | Test Cases |
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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 | 99 ms | 52480 KB |
02.txt | AC | 121 ms | 52352 KB |
03.txt | AC | 96 ms | 52480 KB |
04.txt | AC | 119 ms | 52224 KB |
05.txt | AC | 99 ms | 52608 KB |
06.txt | AC | 120 ms | 52352 KB |
07.txt | AC | 78 ms | 52224 KB |
08.txt | AC | 102 ms | 52224 KB |
09.txt | AC | 91 ms | 52224 KB |
10.txt | AC | 119 ms | 52224 KB |
11.txt | AC | 97 ms | 52480 KB |
12.txt | AC | 75 ms | 34048 KB |
13.txt | AC | 48 ms | 51072 KB |
14.txt | AC | 42 ms | 7168 KB |
15.txt | AC | 30 ms | 6784 KB |
16.txt | AC | 40 ms | 7040 KB |
17.txt | AC | 47 ms | 51072 KB |
18.txt | AC | 50 ms | 50688 KB |
19.txt | AC | 37 ms | 7168 KB |
20.txt | AC | 96 ms | 51328 KB |
21.txt | AC | 78 ms | 51840 KB |
22.txt | AC | 119 ms | 52224 KB |
23.txt | AC | 46 ms | 12160 KB |
24.txt | AC | 119 ms | 52224 KB |
25.txt | AC | 30 ms | 6784 KB |
26.txt | AC | 38 ms | 9472 KB |
27.txt | AC | 37 ms | 7040 KB |
28.txt | AC | 50 ms | 50688 KB |
29.txt | AC | 47 ms | 51072 KB |
30.txt | AC | 40 ms | 7040 KB |
31.txt | AC | 81 ms | 52864 KB |
32.txt | AC | 107 ms | 52480 KB |
33.txt | AC | 80 ms | 52224 KB |
34.txt | AC | 105 ms | 52480 KB |
35.txt | AC | 80 ms | 52096 KB |
36.txt | AC | 103 ms | 51968 KB |
37.txt | AC | 79 ms | 52096 KB |
38.txt | AC | 101 ms | 51968 KB |
39.txt | AC | 84 ms | 52608 KB |
40.txt | AC | 104 ms | 52480 KB |
41.txt | AC | 80 ms | 52224 KB |
42.txt | AC | 102 ms | 52096 KB |
43.txt | AC | 78 ms | 51712 KB |
44.txt | AC | 101 ms | 51840 KB |
45.txt | AC | 2 ms | 6400 KB |
46.txt | AC | 2 ms | 6400 KB |
47.txt | AC | 2 ms | 6400 KB |
48.txt | AC | 2 ms | 6400 KB |
s1.txt | AC | 2 ms | 6400 KB |
s2.txt | AC | 2 ms | 6400 KB |