Submission #855695

#	Time	Username	Problem	Language	Result	Execution time	Memory
855695		TimDee	Peru (RMI20_peru)	C++17	0 / 100	1 ms	348 KiB

peru

//  Esti <3

//\
     šťastia pre nás :)
//   you're already the best
//             _
//   ^ ^      //
// >(O_O)<___//
//   \ __ __  \
//    \\ \\ \\\\
 
#include <bits/stdc++.h>
using namespace std;
 
//#pragma GCC optimize("O3","unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
 
#pragma GCC optimize("O3")
#pragma GCC target("popcnt")

using ll = long long;
//#define int long long
#define forn(i,n) for(int i=0; i<(n); ++i)
#define pb push_back
#define pi pair<int,int>
#define f first
#define s second 
#define vii(a,n) vector<int> a(n); forn(i,n) cin>>a[i];
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
 
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
const int inf = 1e18;
const ll mod = 1e9+7;//998244853;
 
// \
\
:smiling_face_with_3_hearts: :smiling_face_with_3_hearts:  :smiling_face_with_3_hearts:  
 
//vidime sa veľmi skoro, moje slnko

#include "peru.h"

int solve(int n, int k, int* a){
	#define int long long
   
	vector<int> dp(n+1,inf);
	dp[0]=0;
	for (int i=1; i<=n; ++i) {
		int m=0;
		for(int j=i-1; j>=0 && i-j<=k; --j) {
			m=max(m,1ll*a[j]);
			dp[i]=min(dp[i],dp[j]+m);
		}
	}

	int ans=0, p=1;
	for (int i=n; i; --i) {
		dp[i]%=mod;
		ans=(ans+p*dp[i])%mod;
		p=(p*23)%mod;
	}
	return ans;

    #undef int
}

Compilation message (stderr)

peru.cpp:3:1: warning: multi-line comment [-Wcomment]
    3 | //\
      | ^
peru.cpp:9:1: warning: multi-line comment [-Wcomment]
    9 | //   \ __ __  \
      | ^
peru.cpp:36:1: warning: multi-line comment [-Wcomment]
   36 | // \
      | ^
peru.cpp:33:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   33 | const int inf = 1e18;
      |                 ^~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 31
• Subtask 3: 0 / 51