Submission #1027280

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1027280	2024-07-19 03:11:28	khanhtb	Binaria (CCO23_day1problem1)	C++14	25 / 25	69 ms	31648 KiB

Main

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#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ld long double
#define pb push_back
#define pf push_front
#define vi vector<ll>
#define vii vector<vi>
#define pll pair<ll, ll>
#define vpll vector<pll>
#define all(a) a.begin(), a.end()
#define fi first
#define se second
using namespace std;
const ll mod = 1e6 + 3;
const ll inf = 2e18;
const ll blocksz = 320;
const ll N = 1e6 + 1;
ll n,fac[N],invfac[N];
ll bipow(ll a, ll b){
    ll ans = 1;
    while(b){
        if(b&1) ans = ans*a%mod;
        a = a*a%mod;
        b>>=1;
    }
    return ans;
}
void precalc(){
    fac[0] = 1;
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:81:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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