Submission #1084337

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084337		BlueGlaucus1	Zamjena (COCI18_zamjena)	C++17	70 / 70	139 ms	16084 KiB

zamjena

#include <iostream>
#include <string>
#include <map>
#include <vector>
using namespace std;

map<string, vector<string> > con;
map<string, bool> visited;

int dfs(string s){
    int curr_val = 0;
    if(isdigit(s[0])){
        curr_val = stoi(s);
    }
    visited[s] = 1;
    for(int i = 0; i <con[s].size();i++){
        string val = con[s][i];
        if(visited[val]){
            continue;
        }
        int cor = dfs(val);
        if(cor == -1){
            return -1;
        }
        else if (cor ==0){
            continue;
        }
        else if (curr_val==0){
            curr_val = cor;
        }else if (curr_val!=cor){
            return -1;
        }
    }
    return curr_val;
}

int main(){
    int n; cin >> n;
    string arr[n];
    string brr[n];
    for(int i =0; i <n;i++){
        cin >> arr[i];
    }
    for(int i =0; i <n;i++){
        cin >> brr[i];
    }
    for(int i =0; i <n;i++){
        con[arr[i]].push_back(brr[i]);
        con[brr[i]].push_back(arr[i]);
    }

    for(int i = 0; i <n;i++){
    if(!visited[arr[i]]){
        int g = dfs(arr[i]);
        if(g==-1){
            cout <<"NE";
            return 0;
        }
    }
    }
    cout << "DA"<<'\n';
    return 0;
}

Compilation message (stderr)

zamjena.cpp: In function 'int dfs(std::string)':
zamjena.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0; i <con[s].size();i++){
      |                    ~~^~~~~~~~~~~~~~

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