Submission #831984

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
831984	2023-08-20 19:08:14	konber	Stove (JOI18_stove)	C++14	50 / 100	155 ms	198348 KiB

stove

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#include <iostream>
#include <vector>
#include <cstring>
using namespace std;
typedef long long ll;
vector<ll> times;
ll memo[5005][5005];
int N;
ll dp(int i, int remK){
    if(remK < 0) return 1e15;
    if(i==N) return 0;
    if(memo[i][remK] != -1) return memo[i][remK];
    ll ch1=1e15;
    if(i){
        ch1 = dp(i+1, remK) + times[i]+1 - times[i-1]-1;
    }
    ll ch2 = dp(i+1, remK-1) + 1;
    return memo[i][remK] = min(ch1, ch2);
}
int main()
{
    int K;
    scanf("%d%d", &N, &K);
    times.resize(N);
    for(int i=0; i < N; i++)
 
 
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Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d%d", &N, &K);
      |     ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         scanf("%lld", &times[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 0 / 50