제출 #145138

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
145138		Sarah_Mokhtar	Zamjena (COCI18_zamjena)	C++14	14 / 70	15 ms	6776 KiB

zamjena

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e5+20,M=(N<<4),OO=1e9;
#define f first
#define s second
#define pb push_back
#define sz size
#define l length
ll n;
string str,A[N],B[N];
map<string,int>m;
bool isNumber(string c){
    char cmp=c[0];
    return cmp>='0'&&cmp<='9';
}
bool valid(){
    for(int i=0;i<n;++i){
        if(isNumber(A[i])&&isNumber(B[i]))
            if(A[i]!=B[i]) return 0; 
        else if(isNumber(A[i])&&!m[B[i]])
            m[B[i]]=stoi(A[i]);
        else if(isNumber(B[i])&&!m[A[i]])
            m[A[i]]=stoi(B[i]);
        else if(isNumber(A[i])&&m[B[i]])
            if(m[B[i]]!=stoi(A[i])) return 0;
        else if(isNumber(B[i])&&m[A[i]])
            if(m[A[i]]!=stoi(B[i])) return 0;
    }  
    return 1;
}
int main(){
    cin>>n;
    for(int i=0;i<n;++i) cin>>A[i];
    for(int i=0;i<n;++i) cin>>B[i];
    puts(valid()?"DA":"NE");
}

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'bool valid()':
zamjena.cpp:25:16: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
         else if(isNumber(A[i])&&m[B[i]])
                ^
zamjena.cpp:19:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
         if(isNumber(A[i])&&isNumber(B[i]))
           ^

• Subtask 1: 14 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14