Submission #1123759

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
11237592024-12-04 06:57:39Neco_arcSelf Study (JOI22_ho_t2)C++17
100 / 100
205 ms5136 KiB
#include <bits/stdc++.h>
#define ll unsigned long long
#define name "Self Study"
#define fi(i, a, b) for(int i = a; i <= b; ++i)
#define fid(i, a, b) for(int i = a; i >= b; --i)
#define maxn (int) (3e5 + 7)
using namespace std;
ll n, k;
ll a[maxn], b[maxn];
ll cc(ll x, ll y) { return (x / y) + (x % y != 0); }
bool check(ll X) {
ll S = 0;
fi(i, 1, n) {
if(X <= k * a[i]) S += cc(X, a[i]);
else S += k + cc(X - k * a[i], b[i]);
if(S > n * k) return 0;
}
return 1;
}
void solve() {
cin >> n >> k;
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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