Submission #1069334


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

const int N = 2e5+10;
int fa1[N],fa2[N];
int findroot1(int u)
{
    return fa1[u]==u?u:fa1[u]=findroot1(fa1[u]);
}
int findroot2(int u)
{
    return fa2[u]==u?u:fa2[u]=findroot2(fa2[u]);
}
set<int>s2[N];
int ans[N];
int main()
{
    int n,k,l;
    int u,v;
    // freopen("in.txt","r",stdin);
    scanf("%d%d%d",&n,&k,&l);
    for(int i=1;i<=n;i++) fa1[i]=fa2[i]=i;
    for(int i=1;i<=k;i++)
    {
        scanf("%d%d",&u,&v);
        int uu=findroot1(u);
        int vv=findroot1(v);
        if(uu==vv) continue;
        else fa1[vv]=uu;
    }
    for(int i=1;i<=l;i++)
    {
        scanf("%d%d",&u,&v);
        int uu=findroot2(u);
        int vv=findroot2(v);
        if(uu==vv) continue;
        else fa2[vv]=uu;
    }
    for(int i=1;i<=n;i++)
    {
        v=findroot2(i);
        s2[v].insert(i);
    }
    for(int i=1;i<=n;i++)
    {
        if(!s2[i].empty())
        {
            map<int,int>mp;
            for(auto it:s2[i])
            {
                int uu=findroot1(it);
                mp[uu]++;
            }
            for(auto it:s2[i])
            {
                int uu=findroot1(it);
                ans[it]=mp[uu];
            }
        }
    }
    for(int i=1;i<=n;i++)
    {
        printf("%d",ans[i]);
        if(i!=n) printf(" ");
        else printf("\n");
    }
    return 0;
}

Submission Info

Submission Time
Task D - Connectivity
User vjudge1
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1363 Byte
Status AC
Exec Time 129 ms
Memory 23808 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&n,&k,&l);
                             ^
./Main.cpp:25:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&u,&v);
                            ^
./Main.cpp:33:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&u,&v);
                            ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 18
Set Name Test Cases
Sample subtask0_0.txt, subtask0_1.txt, subtask0_2.txt
All subtask0_0.txt, subtask0_1.txt, subtask0_2.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_2.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt
Case Name Status Exec Time Memory
subtask0_0.txt AC 14 ms 9600 KB
subtask0_1.txt AC 14 ms 9600 KB
subtask0_2.txt AC 14 ms 9600 KB
subtask1_0.txt AC 43 ms 9728 KB
subtask1_1.txt AC 96 ms 21376 KB
subtask1_10.txt AC 45 ms 9728 KB
subtask1_11.txt AC 90 ms 19968 KB
subtask1_12.txt AC 112 ms 22528 KB
subtask1_13.txt AC 124 ms 23808 KB
subtask1_14.txt AC 100 ms 18944 KB
subtask1_2.txt AC 95 ms 19840 KB
subtask1_3.txt AC 124 ms 23680 KB
subtask1_4.txt AC 102 ms 19456 KB
subtask1_5.txt AC 63 ms 9856 KB
subtask1_6.txt AC 86 ms 19328 KB
subtask1_7.txt AC 123 ms 23808 KB
subtask1_8.txt AC 129 ms 23808 KB
subtask1_9.txt AC 93 ms 17536 KB