Submission #1013669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1013669		Saladd	Zamjena (COCI18_zamjena)	C++14	0 / 70	15 ms	1936 KiB

zamjena

#include <bits/stdc++.h>
using namespace std;
map <string,int> mp;

int pa[1000000],arr[1000000],arr2[1000000],st[100000];

int root(int x)
{
    if(pa[x]==x) return x;
    else return pa[x] = root(pa[x]);
}

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    int n;
    int idx=1;
    cin >> n;
    for (int i=1;i<=n;i++){
        string str;
        int cnt=0;
        cin >> str;
        //cout << mp[str] << "  ----\n";
        if(mp[str]>0){
            arr[i]=mp[str];
            continue;
        }
        for (int j=0;j<str.size(),cnt==0;j++){
            //cout << str[j] << "\n";
            if(isalpha(str[j])){
                arr[i]=idx;
                pa[idx]=idx;
                mp[str]=idx;
                st[idx++]=1;
                cnt=1;
            }
            else{
                arr[i]=idx;
                pa[idx]=idx;
                mp[str]=idx;
                st[idx++]=0;
                cnt=1;
            }
        }
    }

    for (int i=1;i<=n;i++){
        string str;
        int cnt=0;
        cin >> str;
        if(mp[str]>0){
            arr2[i]=mp[str];
            continue;
        }
        for (int j=0;j<str.size(),cnt==0;j++){
            if(isalpha(str[j])){
                arr2[i]=idx;
                pa[idx]=idx;
                mp[str]=idx;
                st[idx++]=1;
                cnt=1;
            }
            else{
                arr2[i]=idx;
                pa[idx]=idx;
                mp[str]=idx;
                st[idx++]=0;
                cnt=1;
            }
        }
    }
    for(int i=1;i<=n;i++){
        int a=arr[i];
        int b=arr2[i];

        if(root(a)!=root(b) && st[b]==1){
            pa[root(b)]=root(a);
            st[b]=0;
        }
        if(root(a)!=root(b) && st[b]==0){
            cout << "NE";
            return 0;
        }

    }
    cout << "DA";
    return 0;
}
/*
4
4 5 iks ipasdasd
1 iks 3 iks

3
5 iks ipasdasd
iks 3 iks
*/

Compilation message (stderr)

zamjena.cpp: In function 'int main()':
zamjena.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for (int j=0;j<str.size(),cnt==0;j++){
      |                      ~^~~~~~~~~~~
zamjena.cpp:28:23: warning: value computed is not used [-Wunused-value]
zamjena.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |         for (int j=0;j<str.size(),cnt==0;j++){
      |                      ~^~~~~~~~~~~
zamjena.cpp:55:23: warning: value computed is not used [-Wunused-value]

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14