Submission #1312201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1312201		orgiloogii	동굴 (IOI13_cave)	C++20	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
void exploreCave(int n) {
    int res[n];
    int state[n];
    for (int i = 0;i < n;i++) {
        state[i] = -1;
        res[i] = -1;
    }
    int temp[n];
    for (int i = 0;i < n;i++) {
        int onstate = -1;
        for (int i = 0;i < n;i++) {
            if (state[i] == -1) temp[i] = 0;
            else temp[i] = state[i];
        }
        int block = tryCombination(temp);
        if (block == i) {
            onstate = 1;
        }
        else {
            onstate = 0;
        }
        int l = 0, r = n + 1;
        while (l + 1 < r) {
            int mid - (l + r) / 2;
            for (int i = l;i <= mid;i++) {
                if (state[i] == -1) temp[i] = onstate;
                else temp[i] = state[i];
            }
            block = tryCombination(temp);
            if (block == i) {
                l = mid;
            }
            else {
                r = mid;
            }
        }
        state[l] = onstate;
        res[i] = l;
    }
    answer(state, res);
}
//int main() {
//
//}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:28:21: error: expected initializer before '-' token
   28 |             int mid - (l + r) / 2;
      |                     ^
cave.cpp:29:33: error: 'mid' was not declared in this scope
   29 |             for (int i = l;i <= mid;i++) {
      |                                 ^~~
cave.cpp:35:21: error: 'mid' was not declared in this scope
   35 |                 l = mid;
      |                     ^~~
cave.cpp:38:21: error: 'mid' was not declared in this scope
   38 |                 r = mid;
      |                     ^~~