Submission #1006253

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006253		Tymond	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}

const int MAXN = 5e3 + 7;
int s[MAXN];
int d[MAXN];
bool f[MAXN];

void update(int l, int p){
    for(int i = l; i <= p; i++){
        if(!f[i]){
            s[i] = (s[i] ^ 1);
        }
    }
}
 
void exploreCave(int n) {
    for(int i = 0; i < n; i++){
        int res = tryCombination(n, s);
        int z = ((res > i || r == -1) ^ 1);
        
        int l = 0;
        int p = n - 1;
        int s;
        while(l < p){
            s = (l + p) / 2;
            update(l, s);
            res = tryCombination(n, s);
            update(l, s);
            int nz = ((res > i || r == -1) ^ 1);
            if(nz != z){
                p = s;
            }else{
                l = s + 1;
            }
        }
        
        f[i] = 1;
        s[i] = z;
        d[l] = i;
    }
    
    answer(n, s, d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:37:34: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   37 |         int res = tryCombination(n, s);
      |                                  ^
      |                                  |
      |                                  int
cave.cpp:37:38: error: too many arguments to function 'int tryCombination(int*)'
   37 |         int res = tryCombination(n, s);
      |                                      ^
In file included from cave.cpp:1:
cave.h:8:5: note: declared here
    8 | int tryCombination(int S[]);
      |     ^~~~~~~~~~~~~~
cave.cpp:38:30: error: 'r' was not declared in this scope
   38 |         int z = ((res > i || r == -1) ^ 1);
      |                              ^
cave.cpp:46:34: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   46 |             res = tryCombination(n, s);
      |                                  ^
      |                                  |
      |                                  int
cave.cpp:46:38: error: too many arguments to function 'int tryCombination(int*)'
   46 |             res = tryCombination(n, s);
      |                                      ^
In file included from cave.cpp:1:
cave.h:8:5: note: declared here
    8 | int tryCombination(int S[]);
      |     ^~~~~~~~~~~~~~
cave.cpp:57:10: error: invalid types 'int[int]' for array subscript
   57 |         s[i] = z;
      |          ^
cave.cpp:61:12: error: invalid conversion from 'int' to 'int*' [-fpermissive]
   61 |     answer(n, s, d);
      |            ^
      |            |
      |            int
cave.cpp:61:19: error: too many arguments to function 'void answer(int*, int*)'
   61 |     answer(n, s, d);
      |                   ^
In file included from cave.cpp:1:
cave.h:9:6: note: declared here
    9 | void answer(int S[], int D[]);
      |      ^~~~~~