Submission #550544

#	Time	Username	Problem	Language	Result	Execution time	Memory
550544		esomer	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include<bits/stdc++.h>

using namespace std;

void exploreCave(int N) {
    vector<int> correct(N, -1);
    vector<int> switches(N, -1);
    for(int i = 0; i < N; i++){
        if(correct[i] == -1){
            vector<int> v(N, 0);
            for(int j = 0; j < i; j++) v[j] = correct[j];
            int x = tryCombination(v);
            if(x == -1){
                for(int j = i; j < N; j++) correct[j] = 0;
            }else{
                for(int j = i; j < x; j++) correct[j] = 0;
                correct[x] = 1;
            }
        }
        int lo = 0;
        int hi = N - 1;
        while(lo < hi){
            int mid = (lo + hi) / 2;
            vector<int> v(N, 1 - correct[i]);
            for(int j = 0; j < i; j++){
                v[switches[j]] = correct[j];
            }
            for(int j = lo; j <= mid; j++) v[j] = correct[i];
            int x = tryCombination(v);
            if(x > i || x == -1){
                hi = mid;
            }else lo = mid + 1;
        }
        switches[i] = lo;
    }
    vector<int> d(N);
    for(int i = 0; i < N; i++){
        d[switches[i]] = i;
    }
    vector<int> s(N);
    for(int i = 0; i < N; i++){
        s[switches[i]] = correct[i];
    }
    answer(s, d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:13:36: error: cannot convert 'std::vector<int>' to 'int*'
   13 |             int x = tryCombination(v);
      |                                    ^
      |                                    |
      |                                    std::vector<int>
In file included from cave.cpp:1:
cave.h:8:24: note:   initializing argument 1 of 'int tryCombination(int*)'
    8 | int tryCombination(int S[]);
      |                    ~~~~^~~
cave.cpp:30:36: error: cannot convert 'std::vector<int>' to 'int*'
   30 |             int x = tryCombination(v);
      |                                    ^
      |                                    |
      |                                    std::vector<int>
In file included from cave.cpp:1:
cave.h:8:24: note:   initializing argument 1 of 'int tryCombination(int*)'
    8 | int tryCombination(int S[]);
      |                    ~~~~^~~
cave.cpp:45:12: error: cannot convert 'std::vector<int>' to 'int*'
   45 |     answer(s, d);
      |            ^
      |            |
      |            std::vector<int>
In file included from cave.cpp:1:
cave.h:9:17: note:   initializing argument 1 of 'void answer(int*, int*)'
    9 | void answer(int S[], int D[]);
      |             ~~~~^~~