Submission #88788

#	Time	Username	Problem	Language	Result	Execution time	Memory
88788		asifthegreat	Studentsko (COCI14_studentsko)	C++14	100 / 100	60 ms	976 KiB

studentsko

#include <bits/stdc++.h>
using namespace std;


const int N = 50003;
int ara[N],tmp[N],dp[N],n,k;
vector<int>v;
map<int,int>id;

int main()
{
    scanf("%d %d",&n,&k);
    for(int i = 0; i < n;i++){
        scanf("%d",&ara[i]);tmp[i] = ara[i];
    }
    sort(tmp,tmp+n);
    for(int i = 0; i < n;i++)id[tmp[i]] = i/k;
    for(int i = 0; i < n;i++)v.push_back(id[ara[i]]);
    for(int i = 0; i <= n;i++)dp[i] = 1;

    for(int i = 1; i < n;i++)
        for(int j = 0; j < i;j++)
            if(v[j] <= v[i])dp[i] = max(dp[i],dp[j]+1);
    cout << n-*max_element(dp,dp+n) << endl;
    return 0;
}

Compilation message (stderr)

studentsko.cpp: In function 'int main()':
studentsko.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~~
studentsko.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&ara[i]);tmp[i] = ara[i];
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10