Submission #1020933

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020933		vjudge1	Kemija (COCI22_kemija)	C++17	50 / 50	1 ms	460 KiB

Main

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

void solve() {
	string s;
	cin >> s;
	vector<int> a('Z' - 'A' + 1);
	int curmul = 1;
	int negat = 1;
	for(int i = 0; i < s.size(); i ++) {
		if(s[i] <= '9' && s[i] >= '0') {
			if(i == 0 || s[i - 1] == '+' || s[i - 1] == '>') {
				curmul = s[i] - '0';
			}
			else {
				a[s[i - 1] - 'A'] += curmul * (s[i] - '1') * negat;
			}
		}
		else if(s[i] == '+') {
			curmul = 1;
		}
		else if(s[i] == '-') {
			curmul = 1; negat = -1;
		}
		else if(s[i] == '>') continue;
		else {
			a[s[i] - 'A'] += curmul * negat;
		}
	}
	for(auto x:a) {
		if(x!=0) {
			cout << "NE\n";
			return;
		}
	}
	cout << "DA\n";
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	int t;
	cin >> t;
	while(t--) solve();
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i = 0; i < s.size(); i ++) {
      |                 ~~^~~~~~~~~~

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