Submission #1160740

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160740	2025-03-03 01:09:05	phamducluong	Two Currencies (JOI23_currencies)	C++20	0 / 100	5095 ms	37068 KiB

currencies

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#include <bits/stdc++.h>
#define int long long
#define pii pair<int,int>
#define F first
#define S second
#define all(p) p.begin(),p.end()
using namespace std;
const int mod = 20071008;
const int INF=1e18;
const int N = 1e5 + 5, M=1e6+5;
int n, m, q, c[N], l[N], r[N], s[N], t[N], x[N], y[N], a[N], cnt[N], par[N], h[N], Index[N], head[N], pos=1, id=1, res[N];
vector<int> e[N], qr[N];
pii ed[N];
void file()
{
    #define task "main"
    if(fopen(task".inp","r"))
    {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}
void add(int &A, int B)
{
    A+=B;
    if(A>=mod) A-=mod;
}
 
 
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Compilation message (stderr)

currencies.cpp: In function 'void file()':
currencies.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
currencies.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 28
• Subtask 3: 0 / 30
• Subtask 4: 0 / 32