Submission #1140983

#	Time	Username	Problem	Language	Result	Execution time	Memory
1140983		codexistent	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
#define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)

vector<int> coin_flips(vector<int> b, int c) {
    ll r = 0;
    FOR(i, 1, 63){
        if(b[i]) r ^= i;
    }

    if(r != c) {
        FOR(i, 0, 63) if(r ^ i == c) b[i] = 1;
    }
    return flips;
}

int find_coin(vector<int> b) {
    ll r = 0;
    FOR(i, 1, 63){
        if(b[i]) r ^= i;
    }
    return r;
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:7:5: error: 'll' was not declared in this scope
    7 |     ll r = 0;
      |     ^~
coins.cpp:8:9: error: expected ';' before 'i'
    8 |     FOR(i, 1, 63){
      |         ^
coins.cpp:4:35: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                   ^~~
coins.cpp:8:9: error: 'i' was not declared in this scope
    8 |     FOR(i, 1, 63){
      |         ^
coins.cpp:4:46: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                              ^~~
coins.cpp:9:18: error: 'r' was not declared in this scope
    9 |         if(b[i]) r ^= i;
      |                  ^
coins.cpp:12:8: error: 'r' was not declared in this scope
   12 |     if(r != c) {
      |        ^
coins.cpp:13:13: error: expected ';' before 'i'
   13 |         FOR(i, 0, 63) if(r ^ i == c) b[i] = 1;
      |             ^
coins.cpp:4:35: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                   ^~~
coins.cpp:13:13: error: 'i' was not declared in this scope
   13 |         FOR(i, 0, 63) if(r ^ i == c) b[i] = 1;
      |             ^
coins.cpp:4:46: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                              ^~~
coins.cpp:15:12: error: 'flips' was not declared in this scope
   15 |     return flips;
      |            ^~~~~
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:19:5: error: 'll' was not declared in this scope
   19 |     ll r = 0;
      |     ^~
coins.cpp:20:9: error: expected ';' before 'i'
   20 |     FOR(i, 1, 63){
      |         ^
coins.cpp:4:35: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                   ^~~
coins.cpp:20:9: error: 'i' was not declared in this scope
   20 |     FOR(i, 1, 63){
      |         ^
coins.cpp:4:46: note: in definition of macro 'FOR'
    4 | #define FOR(__i, __a, __b) for(ll __i = __a; __i <= __b; __i++)
      |                                              ^~~
coins.cpp:21:18: error: 'r' was not declared in this scope
   21 |         if(b[i]) r ^= i;
      |                  ^
coins.cpp:23:12: error: 'r' was not declared in this scope
   23 |     return r;
      |            ^