Submission #1003201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003201		ulianamalanyak	Kemija (COCI22_kemija)	C++14	0 / 50	0 ms	348 KiB

Main

#include "bits/stdc++.h"

using namespace std;

#define endl '\n'
#define INF 1000000000000

typedef int ll;

const int DIM=1e3+7;

ll n,m;
string s;
map<char,ll> m1,m2;

int main()
{
    freopen ("input.txt","r",stdin);
    freopen ("output.txt","w",stdout);
    
    cin >> m;

	while(m--)
	{
		cin >> s;

		m1.clear();
		m2.clear();
		n=s.size();

		bool fl=0;

		for (int i=0;i<n;i++)
		{
			ll mult;
			if (s[i]>='0'&&s[i]<='9') 
			{
				mult=s[i]-'0';
				i++;
			}
			else mult=1;
			
			while(i<n&&s[i]!='+'&&s[i]!='-')
			{
				//cout << s[i] << fl << endl;

				char c=s[i];
				
				ll mult1;
				if (i+1<n&&s[i+1]>='0'&&s[i+1]<='9')
				{
					mult1=s[i+1]-'0';
					i++;
				}
				else mult1=1;

				ll kilk=mult*mult1;
				if (fl)
				{
					m2[c]+=kilk;
					//cout << m2[c] << endl;
				}
				else 
				{
					m1[c]+=kilk;
					//cout << m1[c] << endl;
				}

				i++;
			}

			if (i>=n) continue;
			if (s[i]=='+') 
			{
				continue;
			}
			else if (s[i]=='-')
			{
				i++;
				fl=1;
			}
			else i++;
		}

		if (m1.size()!=m2.size()) cout << "NE" << endl;
		else 
		{
			bool ff=0;
			for (auto x:m1)
			{
				if (x.second!=m2[x.first])
				{
					cout << "NE" << endl;
					ff=1;
					break;
				}
			}

			if (ff==0) cout << "DA" << endl;
		}
	}
  
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:18:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     freopen ("input.txt","r",stdin);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:19:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen ("output.txt","w",stdout);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 30