제출 #1310670

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1310670		putuputu	동굴 (IOI13_cave)	C++20	컴파일 에러	0 ms	0 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
void exploreCave(int n) {
    int n;
    cin >> n;
    vector<int> s(n, 0);
    vector<int> use(n, 0);
    vector<int> dswitch(n, -1);
    vector<int> state(n, 0);
    for(int i=0; i<n; i++){
        vector<int>c;
        for(int j=0; j<n; j++){
            if(!use[j]){
                c.push_back(j);
            }
        }
        int l=0, r=(int)c.size()-1;
        int find=-1;
        while(l<=r){
            int m=(l+r)/2;
            for(int j=0; j<n; j++){
                s[j]=0;
            }
            for(int j=0; j<i; j++){
                s[dswitch[i]]=state[i];
            }
            for(int j=l; j<m; j++){
                s[c[j]]=1;
            }
            int res=tryCombination(s.data());
            if(res==-1 or res>i){
                find=c[m];
                r=m-1;
            }else{
                l=m+1;
            }
        }
        for(int j=0; j<n; j++){
            s[j]=0;
        }
        for(int j=0; j<i; j++){
            s[dswitch[j]]=state[j];
        }
        s[find]=0;
        int res=tryCombination(s.data());
        int need;
        if(res==-1 or res>i){
            need=0;
        }else{
            need=1;
        }
        use[find]=1;
        dswitch[i]=find;
        state[i]=need;
    }
    answer(sdwitch.data(), state.data());
}

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:5:9: error: declaration of 'int n' shadows a parameter
    5 |     int n;
      |         ^
cave.cpp:4:22: note: 'int n' previously declared here
    4 | void exploreCave(int n) {
      |                  ~~~~^
cave.cpp:57:12: error: 'sdwitch' was not declared in this scope; did you mean 'dswitch'?
   57 |     answer(sdwitch.data(), state.data());
      |            ^~~~~~~
      |            dswitch