Submission #654973

#	Time	Username	Problem	Language	Result	Execution time	Memory
654973		berr	Programiranje (COCI17_programiranje)	C++17	80 / 80	38 ms	10724 KiB

programiranje

#include <bits/stdc++.h>
using namespace std;
#define int long long
int e[50005][26];

int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    string s; cin>>s;
    for(int i=0; i<s.size(); i++)
    {
        for(int l=0; l<26&&i>0; l++)
        {
            e[i][l]=e[i-1][l];
        }

        e[i][s[i]-'a']++;
    }


    int q;cin>>q;


    while(q--)
    {
        int a, b, c, d; cin>>a>>b>>c>>d;
        a--; b--; c--; d--;

        vector<int> f(26), g(26);

        for(int i=0; i<26; i++)
        {
            f[i]=e[b][i];
            if(a!=0) f[i]-=e[a-1][i];

            g[i]=e[d][i];
            if(c!=0) g[i]-=e[c-1][i];
        }

        if(f==g) cout<<"DA\n";
        else cout<<"NE\n";
    }
}

Compilation message (stderr)

programiranje.cpp: In function 'int32_t main()':
programiranje.cpp:12:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i=0; i<s.size(); i++)
      |                  ~^~~~~~~~~

• Subtask 1: 80 / 80