Submission #478344

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
478344	2021-10-07 05:32:52	daongocha	Tents (JOI18_tents)	C++14	100 / 100	138 ms	117548 KiB

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#include <bits/stdc++.h>
#define int long long
#define fileopen(a, b) freopen(((std::string)a + ".inp").c_str(), "r", stdin); freopen(((std::string)b + ".out").c_str(), "w", stdout);
#define fileopen1(a) freopen(((std::string)a + ".inp").c_str(), "r", stdin); freopen(((std::string)a + ".out").c_str(), "w", stdout);
#ifdef PICHU_LOCAL_DEF
  #include <chrono>
#endif
using namespace std;
const int MAXN = 3005, MOD = 1e9 + 7;
int C[MAXN][MAXN]; 
int dp[MAXN][MAXN];
int fact[MAXN * 5];
int inv[MAXN * 5];
int power(int x, int n) {
  int res = 1;
  while (n) {
    if (n & 1) (res *= x) %= MOD;
    (x *= x) %= MOD;
    n >>= 1;
  }
  return res;
}
void prec() {
 
 
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Compilation message (stderr)

tents.cpp: In function 'int main()':
tents.cpp:65:15: warning: unused variable 'cnt' [-Wunused-variable]
   65 |  int ans = 0, cnt = 0;
      |               ^~~

• Subtask 1: 48 / 48
• Subtask 2: 52 / 52