Submission #704214

#	Time	Username	Problem	Language	Result	Execution time	Memory
704214		ancuber1031	Kemija (COCI22_kemija)	C++14	50 / 50	1 ms	340 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define endl '\n'

signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int n; cin>>n;
    while(n--) {
        string s; cin>>s;
        s = '+'+s+"%";
        map<char,int> l[2];
        set<char> st;
        int cnt = 0, k = 0;
        char pre;
        for (int i = 0; i < s.size()-1; ++i) {
            if (s[i] == '+' || s[i] == '-') {
                if (s[i] == '-') k = 1;
                i += (1+(s[i] == '-'));
                if ('1' <= s[i] && s[i] <= '9') {
                    cnt = s[i]-'0';
                } else {
                    cnt = 1;
                    i--;
                }
            } else {
                st.insert(s[i]);
                if ('1' <= s[i+1] && s[i+1] <= '9') {
                    l[k][s[i]] += cnt*(s[i+1]-'0');
                    i++;
                } else {
                    l[k][s[i]] += cnt;
                }
            }
        }
        int flag = 0;
        for (auto c : st) {
            //cout<<c<<' '<<l[0][c]<<' '<<l[1][c]<<endl;
            if (l[0][c] != l[1][c]) {
                flag = 1;
                break;
            }
        }
        if (flag) cout<<"NE"<<endl;
        else cout<<"DA"<<endl;
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:17:27: 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]
   17 |         for (int i = 0; i < s.size()-1; ++i) {
      |                         ~~^~~~~~~~~~~~
Main.cpp:16:14: warning: unused variable 'pre' [-Wunused-variable]
   16 |         char pre;
      |              ^~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30