Submission #1092651

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092651		SulA	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include <bits/stdc++.h>
using namespace std;

int[] coin_flips(int[] b, int c) {
    for (int i = 0; i < 64; i++) if (b[i]) c ^= i;
    int a[1] = { c };
    return a;
}

int find_coin(int[] b) {
    int c = 0;
    for (int i = 0; i < 64; i++) if (b[i]) c ^= i;
    return c;
}

Compilation message (stderr)

coins.cpp:4:4: error: structured binding declaration cannot have type 'int'
    4 | int[] coin_flips(int[] b, int c) {
      |    ^~
coins.cpp:4:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
coins.cpp:4:4: error: empty structured binding declaration
coins.cpp:4:7: error: expected initializer before 'coin_flips'
    4 | int[] coin_flips(int[] b, int c) {
      |       ^~~~~~~~~~
coins.cpp:10:21: error: expected ',' or '...' before 'b'
   10 | int find_coin(int[] b) {
      |                     ^
coins.cpp: In function 'int find_coin(int*)':
coins.cpp:12:38: error: 'b' was not declared in this scope
   12 |     for (int i = 0; i < 64; i++) if (b[i]) c ^= i;
      |                                      ^