Submission #1219158

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219158		notarat40	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

                                                  
#include <bits/stdc++.h>

#define ll long long
#define ff first
#define ss second
#define begin begin()
#define end end()
#define loop(a,b,c,d) for(ll a=b; i<c; i+=d)

std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips(1);
    ll xor1=xor1^0;
        loop(i,0,63,1){
                if(b[i]==1){
                        xor1=xor1^i;
                }
        }
        flips[0]=xor1^c; 
    return flips;
}

int find_coin(std::vector<int> b) {
    ll xor1=xor1^i;
         loop(i,0,63,1){
                if(b[i]==1){ 
                        xor1=xor1^i; 
                }
        }

    return xor;
}

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:24:18: error: 'i' was not declared in this scope
   24 |     ll xor1=xor1^i;
      |                  ^
coins.cpp:31:12: error: expected primary-expression before 'xor' token
   31 |     return xor;
      |            ^~~
coins.cpp:31:15: error: expected primary-expression before ';' token
   31 |     return xor;
      |               ^