Submission #799993

#	Time	Username	Problem	Language	Result	Execution time	Memory
799993		Tunglam07	Kemija (COCI22_kemija)	C++17	50 / 50	1 ms	340 KiB

Main

#include<bits/stdc++.h>
using namespace std;
	 
int main()
{
	long long t, save, cnt[27], id;
	bool ck;
	string s;
	cin >> t;
	memset(cnt, 0, sizeof(cnt));
	while(t--)
	{
		save = 1;
		ck = 0;
		cin >> s;
		for(int i = 0; i < s.size(); i++)
		{
			if(ck == 0 && s[i] >= 48 && s[i] <= 57)
			{
				save = s[i] - 48;
				ck = 1;
			}
			else if(s[i] >= 48 && s[i] <= 57)	
			{
				cnt[s[i - 1] - 65] += ((s[i] - 49) * save);
			}
			else if(s[i] > 64 && s[i] < 91)
			{
				cnt[s[i] - 65] += save;
				ck = 1;
			}
			else if(s[i] == 43)
			{
				ck = 0;
				save = 1;
			}
			else if(s[i] == 45 && s[i + 1] == 62)
			{
				id = i + 2;
				break;
			}
		}
		ck = 0;
		save = 1;
		for(int i = id; i < s.size(); i++)
		{
			if(ck == 0 && s[i] >= 48 && s[i] <= 57)
			{
				save = s[i] - 48;
				ck = 1;
			}
			else if(s[i] >= 48 && s[i] <= 57)	
			{
				cnt[s[i - 1] - 65] -= (s[i] - 49) * save;
			}
			else if(s[i] > 64 && s[i] < 91)
			{
				cnt[s[i] - 65] -= save;
				ck = 1;
			}
			else if(s[i] == 43)
			{
				ck = 0;
				save = 1;
			}
		}
		ck = 0;
		for(int i = 0; i < 26; i++)
		{
			if(cnt[i])
			{
				ck = 1;
			}
			cnt[i] = 0;
		}
		if(ck)	
		{
			cout << "NE" << endl;
		}
		else	
		{
			cout << "DA" << endl;
		}
	}
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |   for(int i = 0; i < s.size(); i++)
      |                  ~~^~~~~~~~~~
Main.cpp:45:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int i = id; i < s.size(); i++)
      |                   ~~^~~~~~~~~~
Main.cpp:45:11: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |   for(int i = id; i < s.size(); i++)
      |           ^

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