제출 #472212

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
472212		BidoTeima	Zamjena (COCI18_zamjena)	C++17	0 / 70	2 ms	332 KiB

zamjena

/// isA AC
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void ACPLS(){
#ifndef ONLINE_JUDGE
    freopen("output.txt","w",stdout);
    freopen("input.txt","r",stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
#define tc int tttttt;cin>>tttttt;while(tttttt--)
#define sumrange(l,r,arr) (l==0?arr[r]:arr[r]-arr[l-1])
bool isint(string& s){
    bool ok=1;
    for(char i:s)
        ok&=isdigit(i);
    return ok;
}
bool isseq(string& s){
    return !isint(s);
}
int main(){
    ACPLS();
    int n;
    cin>>n;
    string a[n],b[n];
    for(auto&i:a)cin>>i;
    for(auto&i:b)cin>>i;
    map<string,string>mp{};
    for(int i = 0; i < n; i++){
        if(isint(b[i])&&isseq(a[i])){
            mp[a[i]]=b[i];
        }
        else if(isint(a[i])&&isseq(b[i])){
            mp[b[i]]=a[i];
        }
    }
    bool ok = 1;
    for(int i = 0; i < n; i++){
        if(isint(a[i])&&isint(b[i])){
            ok&=a[i]==b[i];
        }
        else if(isint(a[i])&&isseq(b[i])){
            if(mp[b[i]].empty())
                mp[b[i]]=a[i];
            ok&=mp[b[i]]==a[i];
        }
        else if(isint(b[i])&&isseq(a[i])){
            if(mp[a[i]].empty())
                mp[a[i]]=b[i];
            ok&=mp[a[i]]==b[i];
        }
        else{
            if(mp[a[i]].empty())
                mp[a[i]]=mp[b[i]];
            else if(mp[b[i]].empty()){
                mp[b[i]]=mp[a[i]];
            }
            ok&=mp[a[i]]==mp[b[i]];
        }
    }
    cout<<(ok?"DA":"NE");
}

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'void ACPLS()':
zamjena.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen("output.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
zamjena.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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