Submission #1800900
Source Code Expand
#include <iostream> #include <cstdio> #include <cstring> #include <cassert> #include <cctype> using namespace std; typedef long long lint; #define cout cerr #define ni (next_num<int>()) template<class T>inline T next_num(){ T i=0;char c; while(!isdigit(c=getchar())&&c!='-'); bool flag=c=='-'; flag?c=getchar():0; while(i=i*10-'0'+c,isdigit(c=getchar())); return flag?-i:i; } template<class T1,class T2>inline void apmax(T1 &a,const T2 &b){if(a<b)a=b;} template<class T1,class T2>inline void apmin(T1 &a,const T2 &b){if(b<a)a=b;} const int N=2010; char mat[N][N]; int __deg[N][N],_deghor[N][N],_degver[N][N]; int main(){ int n=ni,m=ni,tot=ni; for(int i=1;i<=n;i++){ scanf("%s",mat[i]+1); } memset(__deg,0,sizeof(__deg)); memset(_deghor,0,sizeof(_deghor)); memset(_degver,0,sizeof(_degver)); for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ if(mat[i][j]=='1'){ __deg[i][j]=-2; static const int dx[]={-1,0,1,0},dy[]={0,1,0,-1}; for(int d=0;d<4;d++){ __deg[i][j]+=mat[i+dx[d]][j+dy[d]]=='1'; } } __deg[i][j]+=__deg[i-1][j]+__deg[i][j-1]-__deg[i-1][j-1]; _deghor[i][j]=_deghor[i][j-1]+(mat[i][j]=='1'&&mat[i-1][j]=='1'); _degver[i][j]=_degver[i-1][j]+(mat[i][j]=='1'&&mat[i][j-1]=='1'); } } while(tot--){ int x1=ni,y1=ni,x2=ni,y2=ni; int sum=__deg[x2][y2]-__deg[x1-1][y2]-__deg[x2][y1-1]+__deg[x1-1][y1-1]; sum-=_deghor[x1][y2]-_deghor[x1][y1-1]; sum-=_deghor[x2+1][y2]-_deghor[x2+1][y1-1]; sum-=_degver[x2][y1]-_degver[x1-1][y1]; sum-=_degver[x2][y2+1]-_degver[x1-1][y2+1]; printf("%d\n",(-sum)>>1); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Nuske vs Phantom Thnook |
User | sshockwave |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 1634 Byte |
Status | AC |
Exec Time | 148 ms |
Memory | 53120 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:26:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",mat[i]+1); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
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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 | 117 ms | 52736 KB |
02.txt | AC | 147 ms | 52608 KB |
03.txt | AC | 116 ms | 52736 KB |
04.txt | AC | 148 ms | 52480 KB |
05.txt | AC | 116 ms | 52864 KB |
06.txt | AC | 147 ms | 52608 KB |
07.txt | AC | 84 ms | 52480 KB |
08.txt | AC | 118 ms | 52480 KB |
09.txt | AC | 113 ms | 52608 KB |
10.txt | AC | 147 ms | 52480 KB |
11.txt | AC | 116 ms | 52736 KB |
12.txt | AC | 101 ms | 52352 KB |
13.txt | AC | 54 ms | 52352 KB |
14.txt | AC | 56 ms | 50176 KB |
15.txt | AC | 44 ms | 49792 KB |
16.txt | AC | 55 ms | 50048 KB |
17.txt | AC | 53 ms | 52352 KB |
18.txt | AC | 55 ms | 51968 KB |
19.txt | AC | 54 ms | 50176 KB |
20.txt | AC | 106 ms | 51840 KB |
21.txt | AC | 82 ms | 52096 KB |
22.txt | AC | 147 ms | 52480 KB |
23.txt | AC | 58 ms | 50176 KB |
24.txt | AC | 146 ms | 52480 KB |
25.txt | AC | 44 ms | 49792 KB |
26.txt | AC | 52 ms | 49920 KB |
27.txt | AC | 53 ms | 49920 KB |
28.txt | AC | 55 ms | 51840 KB |
29.txt | AC | 53 ms | 52352 KB |
30.txt | AC | 55 ms | 50048 KB |
31.txt | AC | 99 ms | 53120 KB |
32.txt | AC | 137 ms | 52736 KB |
33.txt | AC | 103 ms | 52480 KB |
34.txt | AC | 121 ms | 52736 KB |
35.txt | AC | 96 ms | 52352 KB |
36.txt | AC | 123 ms | 52224 KB |
37.txt | AC | 101 ms | 52352 KB |
38.txt | AC | 123 ms | 52224 KB |
39.txt | AC | 90 ms | 52864 KB |
40.txt | AC | 120 ms | 52736 KB |
41.txt | AC | 100 ms | 52480 KB |
42.txt | AC | 128 ms | 52352 KB |
43.txt | AC | 95 ms | 51840 KB |
44.txt | AC | 122 ms | 52096 KB |
45.txt | AC | 15 ms | 49408 KB |
46.txt | AC | 15 ms | 49408 KB |
47.txt | AC | 15 ms | 49408 KB |
48.txt | AC | 14 ms | 49408 KB |
s1.txt | AC | 15 ms | 49408 KB |
s2.txt | AC | 15 ms | 49408 KB |