Submission #874961

#	Time	Username	Problem	Language	Result	Execution time	Memory
874961		HossamHero7	Kemija (COCI22_kemija)	C++14	50 / 50	1 ms	600 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
vector<int> solveEq(string s){
    int coef = 1;
    int st = 0;
    if(isdigit(s[0])) coef = s[0] - '0' , st = 1;
    vector<int> frq(26);
    for(int i=st;i<s.size();i++){
        if(i+1<s.size() && isdigit(s[i+1])) frq[s[i]-'A'] += coef * (s[i+1]-48) , i++;
        else frq[s[i]-'A'] += coef;
    }
    return frq;
}
void solve(){
    string s;
    cin>>s;
    string s1 = "";
    string s2 = "";
    bool b = 0;
    for(auto i : s){
        if(i == '>') b = 1;
        if(i == '-' || i =='>') continue;
        if(!b) s1 += i;
        else s2 += i;
    }
    vector<int> frq1(26) , frq2(26);
    string tmp = "";
    for(auto i : s1){
        if(i == '+'){
            vector<int> f = solveEq(tmp);
            for(int j=0;j<26;j++) frq1[j] += f[j];
            tmp = "";
            continue;
        }
        tmp += i;
    }
    vector<int> f = solveEq(tmp);
    for(int j=0;j<26;j++) frq1[j] += f[j];
    tmp = "";
    for(auto i : s2){
        if(i == '+'){
            vector<int> f = solveEq(tmp);
            for(int j=0;j<26;j++) frq2[j] += f[j];
            tmp = "";
            continue;
        }
        tmp += i;
    }
    f = solveEq(tmp);
    for(int j=0;j<26;j++) frq2[j] += f[j];
    cout<<(frq1 == frq2 ? "DA" : "NE")<<endl;
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'std::vector<int> solveEq(std::string)':
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=st;i<s.size();i++){
      |                  ~^~~~~~~~~
Main.cpp:11:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |         if(i+1<s.size() && isdigit(s[i+1])) frq[s[i]-'A'] += coef * (s[i+1]-48) , i++;
      |            ~~~^~~~~~~~~

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