Submission #259791

#	Time	Username	Problem	Language	Result	Execution time	Memory
259791		itiam	Zamjena (COCI18_zamjena)	C++11	70 / 70	351 ms	16248 KiB

zamjena

#include <bits/stdc++.h>

using namespace std;
#define pb push_back

int n,cnt;
string a[50007],b[50007];
map< string, vector<string>> v;
map< string, int> bio;

void dfs(string x){
    if (bio[x]==1) return;
    bio[x]=1;
    if (isdigit(x[0])){ cnt++; }
    for (int i=0;i<v[x].size();i++){
        dfs(v[x][i]);
    }
}

void provjeri(string x){
    if (bio[x]==1)  return;
    cnt=0;
    dfs(x);
    if (cnt>1){
        cout << "NE";
        exit(0);
    }
}


int main(){
    cin >>n;
    for (int i=0;i<n;i++) cin >> a[i];
    for (int i=0;i<n;i++) cin >> b[i];
    for (int i=0;i<n;i++){
        v[a[i]].pb(b[i]);
        v[b[i]].pb(a[i]);
    }
    for (int i=0;i<n;i++){
        provjeri(a[i]);
        provjeri(b[i]);
    }
    cout << "DA";
    return 0;
}

Compilation message (stderr)

zamjena.cpp: In function 'void dfs(std::__cxx11::string)':
zamjena.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v[x].size();i++){
                  ~^~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14