Submission #1774380
Source Code Expand
//神题 #include<cstdio> #include<cstring> #include<algorithm> #define N 410 using namespace std; int n, m, du[N], f[N], size[N], flag[N], A, B, C, D, x, y, x1, y1; inline int gether(int x){return f[x]?f[x]=gether(f[x]):x;} int main(){ scanf("%d%d", &n, &m); m<<=1; memset(du, 0, sizeof(du)); memset(f, 0, sizeof(f)); memset(size, 0, sizeof(size)); for(int i=1; i<=n; i++){ scanf("%d%d%d%d", &A, &B, &C, &D); x=C?-C:A; y=D?D:-B; if(x<=0)x+=m+1; if(y<=0)y+=m+1; du[x]++; du[y]--; x1=gether(x); y1=gether(y); if(x1!=y1){f[y1]=x1; size[x1]+=size[y1];} size[x1]++; } for(int i=1; i<=m/2; i++)if(du[i]<=-1){printf("NO"); return 0;} for(int i=m/2+1; i<=m; i++)if(du[i]>=1){printf("NO"); return 0;} memset(flag, 0, sizeof(flag)); for(int i=1; i<=m; i++)if(du[i])flag[gether(i)]=1; for(int i=1; i<=m; i++)if(!f[i]&&size[i]&&!flag[i]){printf("NO"); return 0;} printf("YES"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Jigsaw |
User | leoly |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 921 Byte |
Status | AC |
Exec Time | 27 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); m<<=1; ^ ./Main.cpp:13:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &A, &B, &C, &D); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1200 / 1200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, a1.txt, a2.txt, a3.txt, b1.txt, b10.txt, b101.txt, b102.txt, b103.txt, b104.txt, b105.txt, b106.txt, b107.txt, b108.txt, b109.txt, b11.txt, b110.txt, b111.txt, b112.txt, b113.txt, b114.txt, b115.txt, b116.txt, b117.txt, b118.txt, b119.txt, b12.txt, b13.txt, b14.txt, b15.txt, b2.txt, b200.txt, b201.txt, b202.txt, b203.txt, b204.txt, b205.txt, b206.txt, b207.txt, b208.txt, b209.txt, b210.txt, b211.txt, b212.txt, b213.txt, b214.txt, b215.txt, b216.txt, b217.txt, b218.txt, b219.txt, b3.txt, b300.txt, b301.txt, b302.txt, b303.txt, b304.txt, b305.txt, b306.txt, b307.txt, b308.txt, b309.txt, b310.txt, b311.txt, b4.txt, b5.txt, b6.txt, b7.txt, b8.txt, b9.txt, c1.txt, c2.txt, c3.txt, c4.txt, c5.txt, d1.txt, d2.txt, d3.txt, d4.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a1.txt | AC | 1 ms | 128 KB |
a2.txt | AC | 3 ms | 128 KB |
a3.txt | AC | 26 ms | 128 KB |
b1.txt | AC | 1 ms | 128 KB |
b10.txt | AC | 6 ms | 128 KB |
b101.txt | AC | 27 ms | 128 KB |
b102.txt | AC | 27 ms | 128 KB |
b103.txt | AC | 27 ms | 128 KB |
b104.txt | AC | 27 ms | 128 KB |
b105.txt | AC | 27 ms | 128 KB |
b106.txt | AC | 12 ms | 128 KB |
b107.txt | AC | 24 ms | 128 KB |
b108.txt | AC | 27 ms | 128 KB |
b109.txt | AC | 24 ms | 128 KB |
b11.txt | AC | 18 ms | 128 KB |
b110.txt | AC | 27 ms | 128 KB |
b111.txt | AC | 27 ms | 128 KB |
b112.txt | AC | 27 ms | 128 KB |
b113.txt | AC | 27 ms | 128 KB |
b114.txt | AC | 27 ms | 128 KB |
b115.txt | AC | 12 ms | 128 KB |
b116.txt | AC | 24 ms | 128 KB |
b117.txt | AC | 27 ms | 128 KB |
b118.txt | AC | 21 ms | 128 KB |
b119.txt | AC | 24 ms | 256 KB |
b12.txt | AC | 19 ms | 128 KB |
b13.txt | AC | 27 ms | 128 KB |
b14.txt | AC | 27 ms | 128 KB |
b15.txt | AC | 27 ms | 128 KB |
b2.txt | AC | 3 ms | 128 KB |
b200.txt | AC | 26 ms | 128 KB |
b201.txt | AC | 26 ms | 128 KB |
b202.txt | AC | 26 ms | 128 KB |
b203.txt | AC | 26 ms | 128 KB |
b204.txt | AC | 26 ms | 128 KB |
b205.txt | AC | 26 ms | 128 KB |
b206.txt | AC | 26 ms | 128 KB |
b207.txt | AC | 26 ms | 128 KB |
b208.txt | AC | 26 ms | 128 KB |
b209.txt | AC | 26 ms | 128 KB |
b210.txt | AC | 26 ms | 128 KB |
b211.txt | AC | 26 ms | 128 KB |
b212.txt | AC | 26 ms | 128 KB |
b213.txt | AC | 26 ms | 128 KB |
b214.txt | AC | 26 ms | 128 KB |
b215.txt | AC | 26 ms | 128 KB |
b216.txt | AC | 26 ms | 128 KB |
b217.txt | AC | 26 ms | 128 KB |
b218.txt | AC | 26 ms | 128 KB |
b219.txt | AC | 26 ms | 128 KB |
b3.txt | AC | 26 ms | 128 KB |
b300.txt | AC | 25 ms | 128 KB |
b301.txt | AC | 25 ms | 128 KB |
b302.txt | AC | 18 ms | 128 KB |
b303.txt | AC | 18 ms | 128 KB |
b304.txt | AC | 25 ms | 128 KB |
b305.txt | AC | 26 ms | 128 KB |
b306.txt | AC | 20 ms | 128 KB |
b307.txt | AC | 18 ms | 128 KB |
b308.txt | AC | 23 ms | 128 KB |
b309.txt | AC | 25 ms | 128 KB |
b310.txt | AC | 23 ms | 128 KB |
b311.txt | AC | 23 ms | 128 KB |
b4.txt | AC | 26 ms | 128 KB |
b5.txt | AC | 3 ms | 128 KB |
b6.txt | AC | 3 ms | 128 KB |
b7.txt | AC | 3 ms | 128 KB |
b8.txt | AC | 3 ms | 128 KB |
b9.txt | AC | 3 ms | 128 KB |
c1.txt | AC | 25 ms | 256 KB |
c2.txt | AC | 24 ms | 128 KB |
c3.txt | AC | 19 ms | 128 KB |
c4.txt | AC | 24 ms | 128 KB |
c5.txt | AC | 12 ms | 128 KB |
d1.txt | AC | 27 ms | 128 KB |
d2.txt | AC | 27 ms | 128 KB |
d3.txt | AC | 26 ms | 128 KB |
d4.txt | AC | 21 ms | 128 KB |
sample1.txt | AC | 0 ms | 128 KB |
sample2.txt | AC | 1 ms | 128 KB |
sample3.txt | AC | 1 ms | 128 KB |