Submission #148137

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
148137	2019-08-31 14:13:16	WhipppedCream	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef pair<int, int> ii;
typedef long long ll;
const int maxn = 505;
const int maxs = 50005;
const int sz = 500*500;
int n, m, k;
char arr[maxn][maxn];
char dir[maxs];
int main()
{ 
  scanf("%d %d %d", &n, &m, &k);
  for(int i = 0; i< n; i++) scanf("%s", arr[i]);
  bitset<sz> mask;
  bitset<sz> mright, mleft; 
  mright.set(); mleft.set();
  for(int i = 0; i< n; i++)
  {
    for(int j = 0; j< m; j++)
    {
      if(arr[i][j] == '#') mask[i*m+j] = 0;
      else mask[i*m+j] = 1;
 
 
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Compilation message (stderr)

coins.cpp: In function 'int main()':
coins.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &m, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
coins.cpp:21:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i< n; i++) scanf("%s", arr[i]);
                            ~~~~~^~~~~~~~~~~~~~
coins.cpp:45:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", dir);
  ~~~~~^~~~~~~~~~~
/tmp/cccrFiqs.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccwbzwij.o:coins.cpp:(.text.startup+0x0): first defined here
/tmp/cccrFiqs.o: In function `main':
grader.cpp:(.text.startup+0x411): undefined reference to `find_coin(std::vector<int, std::allocator<int> >)'
grader.cpp:(.text.startup+0x7b1): undefined reference to `coin_flips(std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status