Submission #270646

#	Time	Username	Problem	Language	Result	Execution time	Memory
270646		Valera_Grinenko	Memory (IOI10_memory)	C++17	Compilation error	0 ms	0 KiB

memory

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#include "grader.h"
#include "memory.h"
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void play() {

  map<char, int> have;

  for(int i = 1; i <= 50; i += 2) {
    char f = faceup(i);
    if(have[f]) faceup(have[f]);
    else {
      have[f] = i;
      char s = faceup(i + 1);
      if(have[s]) i--;
      else have[s] = i + 1;
    }
  }

  return 0;
}

Compilation message (stderr)

memory.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      | 
memory.cpp: In function 'void play()':
memory.cpp:48:10: error: return-statement with a value, in function returning 'void' [-fpermissive]
   48 |   return 0;
      |          ^