Submission #1440612

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Source Code Expand

//
//  main.cpp
//  049D2
//
//  Created by zhangdenny on 2017/7/20.
//  Copyright © 2017年 Kirito. All rights reserved.
//

//
//  main.cpp
//  049D
//
//  Created by zhangdenny on 2017/7/20.
//  Copyright © 2017年 Kirito. All rights reserved.
//

#include  <functional>
#include  <algorithm>
#include  <exception>
#include  <stdexcept>
#include  <streambuf>
#include  <iterator>
#include  <string.h>
#include  <stdlib.h>
#include  <typeinfo>
#include  <valarray>
#include  <iostream>
#include  <sstream>
#include  <istream>
#include  <stdio.h>
#include  <climits>
#include  <clocale>
#include  <complex>
#include  <csetjmp>
#include  <csignal>
#include  <cstdarg>
#include  <cstddef>
#include  <ctype.h>
#include  <cassert>
#include  <cstdlib>
#include  <utility>
#include  <cstring>
#include  <numeric>
#include  <ostream>
#include  <cwctype>
#include  <fstream>
#include  <iomanip>
#include  <math.h>
#include  <bitset>
#include  <cctype>
#include  <string>
#include  <vector>
#include  <limits>
#include  <locale>
#include  <memory>
#include  <cerrno>
#include  <iosfwd>
#include  <cfloat>
#include  <cstdio>
#include  <cwchar>
#include  <cmath>
#include  <ctime>
#include  <deque>
#include  <queue>
#include  <stack>
#include  <list>
#include  <ios>
#include  <map>
#include  <set>
#include  <new>
#define fi first
#define se second
#define pb push_back
#define ll long long
#define pii pair<int,int>
using namespace std;
const int maxn=200005;
int n,k,l,ans[maxn],sumo,suma;
vector<int> ro[maxn],ra[maxn];
vector<int> co[maxn],ca[maxn];
bool viso[maxn],visa[maxn];
int wo[maxn],wa[maxn];
void dfso(int x)
{
    if(viso[x])
        return;
    viso[x]=1;
    co[sumo].pb(x);
    wo[x]=sumo;
    for(int i=0;i<ro[x].size();i++)
    {
        if(!viso[ro[x][i]])
            dfso(ro[x][i]);
    }
}
void dfsa(int x)
{
    if(visa[x])
        return;
    visa[x]=1;
    ca[suma].pb(x);
    wa[x]=suma;
    for(int i=0;i<ra[x].size();i++)
    {
        if(!visa[ra[x][i]])
            dfsa(ra[x][i]);
    }
}
int main()
{
    cin>>n>>k>>l;
    for(int i=0;i<k;i++)
    {
        int x,y;
        scanf("%d%d",&x,&y);
        ro[x].pb(y);
        ro[y].pb(x);
    }
    for(int i=0;i<l;i++)
    {
        int x,y;
        scanf("%d%d",&x,&y);
        ra[x].pb(y);
        ra[y].pb(x);
    }
    for(int i=0;i<n;i++)
    {
        if(!viso[i])
        {
            dfso(i);
            sumo++;
        }
    }
    for(int i=0;i<n;i++)
    {
        if(!visa[i])
        {
            dfsa(i);
            suma++;
        }
    }
    for(int i=0;i<sumo;i++)
    {
        for(int j=0;j<co[i].size();j++)
        {
            int te=wa[co[i][j]];
            for(int k=0;k<ca[te].size();k++)
            {
                if(wo[ca[te][k]]==i)
                    ans[i]++;
            }
        }
    }
    for(int i=0;i<n;i++)
        cout<<ans[i];
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:115:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
                            ^
./Main.cpp:122:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
                            ^

Judge Result