제출 #676961

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676961		Mariabf	Kemija (COCI22_kemija)	C++17	50 / 50	1 ms	304 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    int t;
    cin>>t;
    string s;
    while(t--){
        cin>>s;
        map<char, int>ma;
        bool m=false;
        for(int i=0; i<s.size(); i++){
            if(s[i]=='-'||s[i]=='>'){
                m=true;
                continue;
            }
            if(s[i]=='+')continue;
            int coef;
            if((int)s[i]<65){
                coef=(int)s[i]-48;
                i++;
            }
            else coef=1;
            while(s[i]!='+'&&s[i]!='-'&&i<s.size()){
                char c=s[i];
                if(m){
                    if(i<s.size()-1&&(int)s[i+1]<65&&s[i+1]!='-'&&s[i+1]!='+'){
                        ma[c]-=(s[i+1]-48)*coef;
                        i++;
                    }
                    else{
                        ma[c]-=coef;
                    }
                }
                else{
                    if(i<s.size()-1&&(int)s[i+1]<65&&s[i+1]!='-'&&s[i+1]!='+'){
                        ma[c]+=(s[i+1]-48)*coef;
                        i++;
                    }
                    else{
                        ma[c]+=coef;
                    }
                }
                i++;
            }
        }bool f=false;
        for(auto x:ma){
            if(x.second!=0){
                f=true;
                break;
            }
        }if(f)cout<<"NE\n";
        else cout<<"DA\n";
    }
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:11:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |         for(int i=0; i<s.size(); i++){
      |                      ~^~~~~~~~~
Main.cpp:23:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             while(s[i]!='+'&&s[i]!='-'&&i<s.size()){
      |                                         ~^~~~~~~~~
Main.cpp:26:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |                     if(i<s.size()-1&&(int)s[i+1]<65&&s[i+1]!='-'&&s[i+1]!='+'){
      |                        ~^~~~~~~~~~~
Main.cpp:35:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |                     if(i<s.size()-1&&(int)s[i+1]<65&&s[i+1]!='-'&&s[i+1]!='+'){
      |                        ~^~~~~~~~~~~

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