Submission #863302

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
863302	2023-10-20 02:24:49	quandlm	Binaria (CCO23_day1problem1)	C++14	25 / 25	71 ms	24884 KiB

Main

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#include <bits/stdc++.h>
#define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
#define ll long long
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define REP(i, a, b) for (int i = (a); i >= (b); --i)
#define pi pair<int,int>
#define ple tuple<int,int,int>
#define fi first
#define se second
#define ii make_pair
#define isz(a) ((int)a.size())
#define ALL(a) a.begin(), a.end()
using namespace std;
const int N = 1e6 + 10;
const int mod = 1e6 + 3;
int n,k,a[N],color[N],sz[N],lab[N],ifact[N];
void pre_calc () {
     ifact[0] = 1;
     FOR(i,1,n+10) {
         color[i] = -1;
         sz[i] = 1;
         lab[i] = i;
         ifact[i] = 1ll * ifact[i-1] * i % mod;
     }
}
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:2:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:63:5: note: in expansion of macro 'file'
   63 |     file("dynamic");
      |     ^~~~
Main.cpp:2:94: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                                                      ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:63:5: note: in expansion of macro 'file'
   63 |     file("dynamic");
      |     ^~~~

• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 4 / 4
• Subtask 4: 4 / 4
• Subtask 5: 4 / 4
• Subtask 6: 7 / 7