Submission #767740

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
767740	2023-06-27 06:26:59	mgl_diamond	Mecho (IOI09_mecho)	C++14	100 / 100	398 ms	4408 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
using il = pair<ll, ll>;
#define foru(i, l, r) for(int i=(l); i<=(r); ++i)
#define ford(i, l, r) for(int i=(l); i>=(r); --i)
#define fore(x, v) for(auto &x : v)
#define all(x) (x).begin(), (x).end()
#define fi first
#define se second
void setIO(string name) {
  ios::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  if (!name.empty()) {
    freopen((name + ".in").c_str(), "r", stdin);
    freopen((name + ".out").c_str(), "w", stdout);
  }
}
const int dx[] = {0, 0, -1, 1}, dy[] = {-1, 1, 0, 0};
const int LIM = 1e9;
const int N = 808;
int n, s, vi[N][N];
ii st, en;
vector<ii> hives;
char a[N][N];
 
 
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Compilation message (stderr)

mecho.cpp: In function 'void setIO(std::string)':
mecho.cpp:18:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     freopen((name + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mecho.cpp:19:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen((name + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100