Submission #1297001

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297001		m_a_d	Peru (RMI20_peru)	C++20	Compilation error	0 ms	0 KiB

peru

#include <bits/stdc++.h>
#include "peru.h"


using namespace std;

#define int long long

const int MOD=1e9+7;

//Hatayı bul (bir ara)
int mod_expo(int a, int e) {
    if(e==0) return 1;
    if(e==1) return a;
    int val=mod_expo(a/2, e);
    int extra;
    a%2==1 ? extra=a : extra=1;
    return (((val*val) % MOD)*extra) % MOD;
}

int32_t solve(int n, int k, int* arr) {
    /*int n, k;
    cin >> n >> k;*/
    int exponents[n];
    exponents[0]=1;
    for(int i=1; i<n; ++i) exponents[i]=(exponents[i-1]*23) % MOD;
    /*int arr[n];
    for(int i=0; i<n; ++i) cin >> arr[i];*/
    vector<vector<int>> dp(n, vector<int>(k, INT64_MAX));
    dp[0][0]=arr[0];
    for(int j=1; j<k; ++j) {
        dp[0][j]=max(dp[0][j-1], arr[j]);
    }
    for(int i=1; i<n; ++i) {
        int st_val=INT64_MAX;
        for(int j=0; j<k; ++j) {
            if(i-1-j<0) break;
            st_val=min(st_val, dp[i-1-j][j]);
        }
        int add=arr[i];
        for(int j=0; j<k; ++j) {
            if(i+j>=n) break;
            add=max(add, arr[i+j]);
            dp[i][j]=st_val+add;
        }
    }
    /*for(int i=0; i<n; ++i) {
        for(int j=0; j<k; ++j) {
            cout << dp[i][j] << " ";
        }
        cout << endl;
    }*/
    int ans[n];
    fill(ans, ans+n, INT64_MAX);
    int mod_ans=0;
    for(int i=0; i<n; ++i) {
        for(int j=0; j<k; ++j) {
            if(i-j<0) break;
            ans[i]=min(ans[i], dp[i-j][j]);
        }
    }
    for(int i=0; i<n; ++i) {
        mod_ans+=(ans[i]*exponents[n-i-1])%MOD;
        while(mod_ans>=MOD) mod_ans-=MOD;
    }
    return mod_ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccT1d9Tz.o: in function `main':
grader.cpp:(.text.startup+0x181): undefined reference to `solve(int, int, int*)'
collect2: error: ld returned 1 exit status