Submission #578837

#	Time	Username	Problem	Language	Result	Execution time	Memory
578837		enerelt14	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
int n, s[5000], d[5000], r[5000], ans[5000];
bool is;
void find(int x, int l, int r){
    if (l==r){
        d[l]=x;
        r[x]=l;
        if (tryCombination(s[])==x)ans[l]=1-s[l];
        else ans[l]=s[l];
        return;
    }
    int mid=(l+r)/2;
    for (int i=l;i<=mid;i++)s[i]=1-s[i];
    for (int j=0;j<x;j++)s[r[j]]=ans[r[j]];
    if (tryCombination(s[])==x){
        if (is)find(x, mid+1, r);
        else{
            is=1;
            find(x, l, mid);
        }
    }
    else{
        if (is){
            is=0;
            find(x, l, mid);
        }
        else find(x, mid+1, r);
    }
}
void exploreCave(int N) {
    n=N;
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++)s[j]=0;
        for (int j=0;j<i;j++)s[r[j]]=ans[r[j]];
        if (tryCombination(s[])==i)is=1;
        else is=0;
        find(i, 1, n);
    }
    answer(ans[], d[]);
}

Compilation message (stderr)

cave.cpp: In function 'void find(int, int, int)':
cave.cpp:9:10: error: invalid types 'int[int]' for array subscript
    9 |         r[x]=l;
      |          ^
cave.cpp:10:30: error: expected primary-expression before ']' token
   10 |         if (tryCombination(s[])==x)ans[l]=1-s[l];
      |                              ^
cave.cpp:16:29: error: invalid types 'int[int]' for array subscript
   16 |     for (int j=0;j<x;j++)s[r[j]]=ans[r[j]];
      |                             ^
cave.cpp:16:39: error: invalid types 'int[int]' for array subscript
   16 |     for (int j=0;j<x;j++)s[r[j]]=ans[r[j]];
      |                                       ^
cave.cpp:17:26: error: expected primary-expression before ']' token
   17 |     if (tryCombination(s[])==x){
      |                          ^
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:37:30: error: expected primary-expression before ']' token
   37 |         if (tryCombination(s[])==i)is=1;
      |                              ^
cave.cpp:41:16: error: expected primary-expression before ']' token
   41 |     answer(ans[], d[]);
      |                ^
cave.cpp:41:21: error: expected primary-expression before ']' token
   41 |     answer(ans[], d[]);
      |                     ^