Submission #159471

#	Time	Username	Problem	Language	Result	Execution time	Memory
159471		InfiniteJest	Coins (IOI17_coins)	C++14	Compilation error	0 ms	0 KiB

coins

#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
#include <math.h>
#include <map>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;

ifstream in("input.txt");
ofstream out("output.txt");

typedef long long ll;

int[] coin_flips(int[] b, int c){
  int a[64];
  for(int i=0;i<10;i++){
    if(c&(1<<(9-i)))a[i]=1;
    else a[i]=0;
  }
  return a;
}

int find_coin(int[] b){
  int num=0;
  for(int i=0;i<10;i++){
    if(b[i]==1)num+=pow(2,9-i);
  }
}

Compilation message (stderr)

coins.cpp:19:4: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
 int[] coin_flips(int[] b, int c){
    ^
coins.cpp:19:4: error: decomposition declaration cannot be declared with type 'int'
 int[] coin_flips(int[] b, int c){
    ^~
coins.cpp:19:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
coins.cpp:19:4: error: empty decomposition declaration
coins.cpp:19:7: error: expected initializer before 'coin_flips'
 int[] coin_flips(int[] b, int c){
       ^~~~~~~~~~
coins.cpp:28:21: error: expected ',' or '...' before 'b'
 int find_coin(int[] b){
                     ^
coins.cpp: In function 'int find_coin(int*)':
coins.cpp:31:8: error: 'b' was not declared in this scope
     if(b[i]==1)num+=pow(2,9-i);
        ^
coins.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^