제출 #84158

#제출 시각아이디문제언어결과실행 시간메모리
84158nikolapesic2802무제 (POI11_smi)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
const int N=1e5+5;
vector<int> degree(N);
vector<vector<int> > graf(N);
map<int,int> visited[N];
vector<vector<int> > sol;
stack<int> stk;
vector<int> vis(N);
void solve(int tr)
{
    //printf("Usao za %i\n",tr);
    vis[tr]++;
    stk.push(tr);
    if(vis[tr]==2)
    {
        vector<int> t;
        t.pb(tr);
        vis[tr]--;
        stk.pop();
        while(stk.top()!=tr)
        {
            t.pb(stk.top());
            vis[stk.top()]--;
            stk.pop();
        }
        t.pb(stk.top());
        sol.pb(t);
    }
    for(auto p:graf[tr])
    {
        if(!visited[tr][p])
        {
            visited[tr][p]=1;
            visited[p][tr]=1;
            degree[tr]--;
            degree[p]--;
            solve(p);
            vis[tr]--;
            return;
        }
    }
}
int main()
{
    int n,m;
    scanf("%i %i",&n,&m);
    for(int i=0;i<m;i++)
    {
        int a,b,s,t;
        scanf("%i %i %i %i",&a,&b,&s,&t);
        if(s!=t)
        {
            graf[a].pb(b);
            graf[b].pb(a);
            degree[a]++;
            degree[b]++;
            //printf("Dodajem iz %i u %i\n",a,b);
        }
    }
    for(int i=1;i<=n;i++)
    {
        if(degree[i]%2==1)
        {
            printf("NIE\n");
            return 0;
        }
    }
    for(int i=1;i<=n;i++)
    {
        while(degree[i]!=0)
        {
            while(stk.size())
                stk.pop();
            solve(i);
        }
    }
    printf("%i\n",sol.size());
    for(auto p:sol)
    {
        printf("%i ",p.size()-1);
        set<int> v;
        for(auto d:p)
        {
            if(v.count(d)&&d!=p[0])
            {
                //assert(false);
            }
            v.insert(d);
            printf("%i ",d);
        }
        printf("\n");
    }
    return 0;
}
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
const int N=1e5+5;
vector<int> degree(N);
vector<vector<int> > graf(N);
map<int,int> visited[N];
vector<vector<int> > sol;
stack<int> stk;
vector<int> vis(N);
void solve(int tr)
{
    //printf("Usao za %i\n",tr);
    vis[tr]++;
    stk.push(tr);
    if(vis[tr]==2)
    {
        vector<int> t;
        t.pb(tr);
        vis[tr]--;
        stk.pop();
        while(stk.top()!=tr)
        {
            t.pb(stk.top());
            vis[stk.top()]--;
            stk.pop();
        }
        t.pb(stk.top());
        sol.pb(t);
    }
    for(auto p:graf[tr])
    {
        if(!visited[tr][p])
        {
            visited[tr][p]=1;
            visited[p][tr]=1;
            degree[tr]--;
            degree[p]--;
            solve(p);
            vis[tr]--;
            return;
        }
    }
}
int main()
{
    int n,m;
    scanf("%i %i",&n,&m);
    for(int i=0;i<m;i++)
    {
        int a,b,s,t;
        scanf("%i %i %i %i",&a,&b,&s,&t);
        if(s!=t)
        {
            graf[a].pb(b);
            graf[b].pb(a);
            degree[a]++;
            degree[b]++;
            //printf("Dodajem iz %i u %i\n",a,b);
        }
    }
    for(int i=1;i<=n;i++)
    {
        if(degree[i]%2==1)
        {
            printf("NIE\n");
            return 0;
        }
    }
    for(int i=1;i<=n;i++)
    {
        while(degree[i]!=0)
        {
            while(stk.size())
                stk.pop();
            solve(i);
        }
    }
    printf("%i\n",sol.size());
    for(auto p:sol)
    {
        printf("%i ",p.size()-1);
        set<int> v;
        for(auto d:p)
        {
            if(v.count(d)&&d!=p[0])
            {
                //assert(false);
            }
            v.insert(d);
            printf("%i ",d);
        }
        printf("\n");
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

smi.cpp: In function 'int main()':
smi.cpp:82:29: warning: format '%i' expects argument of type 'int', but argument 2 has type 'std::vector<std::vector<int> >::size_type {aka long unsigned int}' [-Wformat=]
     printf("%i\n",sol.size());
                   ~~~~~~~~~~^
smi.cpp:85:32: warning: format '%i' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
         printf("%i ",p.size()-1);
                      ~~~~~~~~~~^
smi.cpp: At global scope:
smi.cpp:106:11: error: redefinition of 'const int N'
 const int N=1e5+5;
           ^
smi.cpp:7:11: note: 'const int N' previously defined here
 const int N=1e5+5;
           ^
smi.cpp:107:21: error: redefinition of 'std::vector<int> degree'
 vector<int> degree(N);
                     ^
smi.cpp:8:13: note: 'std::vector<int> degree' previously declared here
 vector<int> degree(N);
             ^~~~~~
smi.cpp:108:28: error: redefinition of 'std::vector<std::vector<int> > graf'
 vector<vector<int> > graf(N);
                            ^
smi.cpp:9:22: note: 'std::vector<std::vector<int> > graf' previously declared here
 vector<vector<int> > graf(N);
                      ^~~~
smi.cpp:109:23: error: redefinition of 'std::map<int, int> visited [100005]'
 map<int,int> visited[N];
                       ^
smi.cpp:10:14: note: 'std::map<int, int> visited [100005]' previously declared here
 map<int,int> visited[N];
              ^~~~~~~
smi.cpp:110:22: error: redefinition of 'std::vector<std::vector<int> > sol'
 vector<vector<int> > sol;
                      ^~~
smi.cpp:11:22: note: 'std::vector<std::vector<int> > sol' previously declared here
 vector<vector<int> > sol;
                      ^~~
smi.cpp:111:12: error: redefinition of 'std::stack<int> stk'
 stack<int> stk;
            ^~~
smi.cpp:12:12: note: 'std::stack<int> stk' previously declared here
 stack<int> stk;
            ^~~
smi.cpp:112:18: error: redefinition of 'std::vector<int> vis'
 vector<int> vis(N);
                  ^
smi.cpp:13:13: note: 'std::vector<int> vis' previously declared here
 vector<int> vis(N);
             ^~~
smi.cpp: In function 'void solve(int)':
smi.cpp:113:6: error: redefinition of 'void solve(int)'
 void solve(int tr)
      ^~~~~
smi.cpp:14:6: note: 'void solve(int)' previously defined here
 void solve(int tr)
      ^~~~~
smi.cpp: In function 'int main()':
smi.cpp:147:5: error: redefinition of 'int main()'
 int main()
     ^~~~
smi.cpp:48:5: note: 'int main()' previously defined here
 int main()
     ^~~~
smi.cpp:181:29: warning: format '%i' expects argument of type 'int', but argument 2 has type 'std::vector<std::vector<int> >::size_type {aka long unsigned int}' [-Wformat=]
     printf("%i\n",sol.size());
                   ~~~~~~~~~~^
smi.cpp:184:32: warning: format '%i' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
         printf("%i ",p.size()-1);
                      ~~~~~~~~~~^
smi.cpp: In function 'int main()':
smi.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i %i",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
smi.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i %i %i %i",&a,&b,&s,&t);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
smi.cpp: In function 'int main()':
smi.cpp:150:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i %i",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
smi.cpp:154:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i %i %i %i",&a,&b,&s,&t);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~