Submission #1155266

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155266	2025-02-22 04:10:13	Sang	Boat (APIO16_boat)	C++20	100 / 100	1349 ms	15836 KiB

boat

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#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; i--)
#define fi first
#define se second
#define pb push_back
#define ALL(a) (a).begin(), (a).end()
#define task "kbsiudthw"
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;
const int N = 1e5 + 5;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
int n, L[505], R[505], dp[505][5005], pref[505][5005], dp2[5005][505], inv[505];
int Pow(int a, int b){
    if (b == 0) return 1;
    int t = Pow(a, b/2);
    t = (t * 1ll*  t)%MOD;
    if (b%2 == 0) return t;
    return (t * 1ll * a)%MOD;
}
 
 
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Compilation message (stderr)

boat.cpp: In function 'int main()':
boat.cpp:35:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
boat.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 27 / 27
• Subtask 4: 42 / 42