Submission #2215158
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<(n);i++) #define pb push_back #define all(v) (v).begin(),(v).end() #define fi first #define se second typedef vector<int>vint; typedef pair<int,int>pint; typedef vector<pint>vpint; template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;} template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;} struct UnionFindTree{ vector<int>par,sz; UnionFindTree(int n){ par.resize(n); sz.resize(n); for(int i=0;i<n;i++){ par[i]=i; sz[i]=1; } } int find(int x){ return x==par[x]?x:par[x]=find(par[x]); } void unite(int x,int y){ x=find(x);y=find(y); if(x==y)return; if(sz[x]<sz[y])swap(x,y); sz[x]+=sz[y]; par[y]=x; } bool areSame(int x,int y){ return find(x)==find(y); } int size(int x){ return sz[find(x)]; } }; int N,H; int A[111111],B[111111],C[111111],D[111111]; int M=500; int deg[1111]; bool used[1111]; signed main(){ cin>>N>>H; UnionFindTree uf(1111); rep(i,N){ cin>>A[i]>>B[i]>>C[i]>>D[i]; int u,v; if(C[i]==0){ u=A[i]; } else{ u=M+C[i]; } if(D[i]==0){ v=M+B[i]; } else{ v=D[i]; } uf.unite(u,v); used[u]=used[v]=true; deg[u]++; deg[v]--; } used[2*M]=true; int ei=0,uku=0; rep(i,M){ if(deg[i]<0){ cout<<"NO"<<endl; return 0; } if(deg[i]>0){ ei+=deg[i]; uf.unite(2*M,i); } } for(int i=M;i<2*M;i++){ if(deg[i]>0){ cout<<"NO"<<endl; } if(deg[i]<0){ uku+=-deg[i]; uf.unite(2*M,i); } } if(ei!=uku||ei==0){ cout<<"NO"<<endl; return 0; } rep(i,1111)rep(j,1111){ if(!used[i]||!used[j])continue; if(!uf.areSame(i,j)){ cout<<"NO"<<endl; return 0; } } cout<<"YES"<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Jigsaw |
User | latte0119 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 2337 Byte |
Status | WA |
Exec Time | 82 ms |
Memory | 3456 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 9 ms | 640 KB |
a3.txt | AC | 76 ms | 3456 KB |
b1.txt | AC | 2 ms | 256 KB |
b10.txt | AC | 18 ms | 896 KB |
b101.txt | AC | 77 ms | 3456 KB |
b102.txt | AC | 76 ms | 3456 KB |
b103.txt | AC | 79 ms | 3456 KB |
b104.txt | AC | 77 ms | 3456 KB |
b105.txt | AC | 76 ms | 3456 KB |
b106.txt | AC | 34 ms | 1664 KB |
b107.txt | AC | 71 ms | 3072 KB |
b108.txt | AC | 77 ms | 3456 KB |
b109.txt | AC | 68 ms | 3072 KB |
b11.txt | AC | 55 ms | 2304 KB |
b110.txt | AC | 77 ms | 3456 KB |
b111.txt | AC | 82 ms | 3456 KB |
b112.txt | AC | 80 ms | 3456 KB |
b113.txt | AC | 77 ms | 3456 KB |
b114.txt | AC | 76 ms | 3456 KB |
b115.txt | AC | 34 ms | 1664 KB |
b116.txt | AC | 70 ms | 3072 KB |
b117.txt | AC | 77 ms | 3456 KB |
b118.txt | AC | 59 ms | 2688 KB |
b119.txt | AC | 69 ms | 3072 KB |
b12.txt | AC | 54 ms | 2560 KB |
b13.txt | AC | 77 ms | 3456 KB |
b14.txt | AC | 79 ms | 3456 KB |
b15.txt | AC | 78 ms | 3456 KB |
b2.txt | AC | 10 ms | 640 KB |
b200.txt | WA | 75 ms | 3328 KB |
b201.txt | WA | 75 ms | 3328 KB |
b202.txt | WA | 75 ms | 3328 KB |
b203.txt | WA | 75 ms | 3328 KB |
b204.txt | AC | 76 ms | 3328 KB |
b205.txt | AC | 76 ms | 3456 KB |
b206.txt | WA | 75 ms | 3328 KB |
b207.txt | WA | 75 ms | 3456 KB |
b208.txt | AC | 77 ms | 3328 KB |
b209.txt | WA | 75 ms | 3328 KB |
b210.txt | AC | 76 ms | 3328 KB |
b211.txt | AC | 76 ms | 3328 KB |
b212.txt | AC | 75 ms | 3328 KB |
b213.txt | AC | 77 ms | 3456 KB |
b214.txt | AC | 77 ms | 3328 KB |
b215.txt | AC | 75 ms | 3328 KB |
b216.txt | AC | 76 ms | 3328 KB |
b217.txt | AC | 76 ms | 3328 KB |
b218.txt | AC | 75 ms | 3456 KB |
b219.txt | AC | 76 ms | 3456 KB |
b3.txt | AC | 76 ms | 3456 KB |
b300.txt | AC | 75 ms | 3328 KB |
b301.txt | WA | 74 ms | 3328 KB |
b302.txt | AC | 51 ms | 2688 KB |
b303.txt | AC | 51 ms | 2688 KB |
b304.txt | AC | 76 ms | 3456 KB |
b305.txt | AC | 74 ms | 3456 KB |
b306.txt | AC | 55 ms | 2944 KB |
b307.txt | AC | 51 ms | 2688 KB |
b308.txt | AC | 70 ms | 3328 KB |
b309.txt | AC | 77 ms | 3456 KB |
b310.txt | AC | 64 ms | 3328 KB |
b311.txt | AC | 65 ms | 3328 KB |
b4.txt | AC | 76 ms | 3456 KB |
b5.txt | AC | 9 ms | 640 KB |
b6.txt | WA | 9 ms | 640 KB |
b7.txt | AC | 9 ms | 640 KB |
b8.txt | WA | 9 ms | 640 KB |
b9.txt | AC | 9 ms | 640 KB |
c1.txt | WA | 65 ms | 3456 KB |
c2.txt | WA | 64 ms | 3456 KB |
c3.txt | AC | 53 ms | 2816 KB |
c4.txt | AC | 64 ms | 3456 KB |
c5.txt | AC | 34 ms | 1920 KB |
d1.txt | AC | 79 ms | 3456 KB |
d2.txt | AC | 78 ms | 3456 KB |
d3.txt | AC | 77 ms | 3328 KB |
d4.txt | AC | 62 ms | 2688 KB |
sample1.txt | AC | 2 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 2 ms | 256 KB |