Submission #3424735
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define inf 2123333333 int fa[1010],in[1010],out[1010],n,h; bool bo[1010]; inline int rd() { int x=0;char ch=getchar(); for (;ch<'0'||ch>'9';ch=getchar()); for (;ch>='0'&&ch<='9';ch=getchar()) x=x*10+ch-'0'; return x; } inline int find(int x) { return (x==fa[x])?x:fa[x]=find(fa[x]); } int main() { n=rd();h=rd(); for (int i=1;i<=h*2;i++) fa[i]=i; for (int i=1;i<=n;i++) { int h1=rd(),h2=rd(),h3=rd(),h4=rd(); int x=(!h3)?h1:h3+h,y=(!h4)?h2+h:h4; out[x]++;in[y]++; int f1=find(x),f2=find(y); if (f1!=f2) fa[f1]=f2; } for (int i=1;i<=h;i++) if (in[i]>out[i]) { puts("NO");return 0; } for (int i=h+1;i<=h*2;i++) if (in[i]<out[i]) { puts("NO");return 0; } for (int i=1;i<=h*2;i++) if (in[i]^out[i]) bo[find(i)]=true; for (int i=1;i<=h*2;i++) if (!bo[find(i)]) if (in[i]||out[i]) { puts("NO");return 0; } puts("YES"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Jigsaw |
User | DCXDCX |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 934 Byte |
Status | AC |
Exec Time | 12 ms |
Memory | 256 KB |
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 | 256 KB |
a2.txt | AC | 2 ms | 256 KB |
a3.txt | AC | 12 ms | 256 KB |
b1.txt | AC | 1 ms | 256 KB |
b10.txt | AC | 3 ms | 256 KB |
b101.txt | AC | 12 ms | 256 KB |
b102.txt | AC | 12 ms | 256 KB |
b103.txt | AC | 12 ms | 256 KB |
b104.txt | AC | 12 ms | 256 KB |
b105.txt | AC | 12 ms | 256 KB |
b106.txt | AC | 6 ms | 256 KB |
b107.txt | AC | 11 ms | 256 KB |
b108.txt | AC | 12 ms | 256 KB |
b109.txt | AC | 11 ms | 256 KB |
b11.txt | AC | 8 ms | 256 KB |
b110.txt | AC | 12 ms | 256 KB |
b111.txt | AC | 12 ms | 256 KB |
b112.txt | AC | 12 ms | 256 KB |
b113.txt | AC | 12 ms | 256 KB |
b114.txt | AC | 12 ms | 256 KB |
b115.txt | AC | 6 ms | 256 KB |
b116.txt | AC | 11 ms | 256 KB |
b117.txt | AC | 12 ms | 256 KB |
b118.txt | AC | 10 ms | 256 KB |
b119.txt | AC | 11 ms | 256 KB |
b12.txt | AC | 8 ms | 256 KB |
b13.txt | AC | 12 ms | 256 KB |
b14.txt | AC | 12 ms | 256 KB |
b15.txt | AC | 12 ms | 256 KB |
b2.txt | AC | 2 ms | 256 KB |
b200.txt | AC | 12 ms | 256 KB |
b201.txt | AC | 12 ms | 256 KB |
b202.txt | AC | 12 ms | 256 KB |
b203.txt | AC | 12 ms | 256 KB |
b204.txt | AC | 12 ms | 256 KB |
b205.txt | AC | 12 ms | 256 KB |
b206.txt | AC | 11 ms | 256 KB |
b207.txt | AC | 12 ms | 256 KB |
b208.txt | AC | 11 ms | 256 KB |
b209.txt | AC | 11 ms | 256 KB |
b210.txt | AC | 12 ms | 256 KB |
b211.txt | AC | 12 ms | 256 KB |
b212.txt | AC | 12 ms | 256 KB |
b213.txt | AC | 12 ms | 256 KB |
b214.txt | AC | 12 ms | 256 KB |
b215.txt | AC | 12 ms | 256 KB |
b216.txt | AC | 12 ms | 256 KB |
b217.txt | AC | 11 ms | 256 KB |
b218.txt | AC | 11 ms | 256 KB |
b219.txt | AC | 11 ms | 256 KB |
b3.txt | AC | 12 ms | 256 KB |
b300.txt | AC | 11 ms | 256 KB |
b301.txt | AC | 11 ms | 256 KB |
b302.txt | AC | 7 ms | 256 KB |
b303.txt | AC | 7 ms | 256 KB |
b304.txt | AC | 11 ms | 256 KB |
b305.txt | AC | 11 ms | 256 KB |
b306.txt | AC | 7 ms | 256 KB |
b307.txt | AC | 7 ms | 256 KB |
b308.txt | AC | 9 ms | 256 KB |
b309.txt | AC | 11 ms | 256 KB |
b310.txt | AC | 9 ms | 256 KB |
b311.txt | AC | 9 ms | 256 KB |
b4.txt | AC | 11 ms | 256 KB |
b5.txt | AC | 2 ms | 256 KB |
b6.txt | AC | 2 ms | 256 KB |
b7.txt | AC | 2 ms | 256 KB |
b8.txt | AC | 2 ms | 256 KB |
b9.txt | AC | 2 ms | 256 KB |
c1.txt | AC | 9 ms | 256 KB |
c2.txt | AC | 9 ms | 256 KB |
c3.txt | AC | 8 ms | 256 KB |
c4.txt | AC | 9 ms | 256 KB |
c5.txt | AC | 5 ms | 256 KB |
d1.txt | AC | 12 ms | 256 KB |
d2.txt | AC | 12 ms | 256 KB |
d3.txt | AC | 12 ms | 256 KB |
d4.txt | AC | 9 ms | 256 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |