Submission #1164344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164344		lambd47	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

#include"coins.h"
using namespace std;



array<int,1> coin_flips(array<int,64> b,int c){
    int val=c;
    for(int i=0;i<64;i++){
        if(b[i])val^=i;
    }
    array<int,1> a;a[0]=val;
    return a;
}
int find_coin(vector<int,64> arr){
    int resp=0;
    for(int i=0;i<64;i++){
        if(arr[i])resp^=i;
    }
    return resp;

}

Compilation message (stderr)

coins.cpp:6:1: error: 'array' does not name a type
    6 | array<int,1> coin_flips(array<int,64> b,int c){
      | ^~~~~
coins.cpp:14:28: error: type/value mismatch at argument 2 in template parameter list for 'template<class _Tp, class _Alloc> class std::vector'
   14 | int find_coin(vector<int,64> arr){
      |                            ^
coins.cpp:14:28: note:   expected a type, got '64'
coins.cpp: In function 'int find_coin(int)':
coins.cpp:17:15: error: invalid types 'int[int]' for array subscript
   17 |         if(arr[i])resp^=i;
      |               ^