Submission #1179614

#	Time	Username	Problem	Language	Result	Execution time	Memory
1179614		pythontest	Stove (JOI18_stove)	C++20	100 / 100	15 ms	964 KiB

stove

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main() {
    vector<int> vals;
    int n,k;
    scanf("%d %d",&n,&k);
    int last=-1;
    for(int i=0;i<n;i++){
        int a;
        scanf("%d",&a);
        if(last!=-1){
            vals.push_back(a-last);
        }
        last=a+1;
    }
    sort(vals.begin(),vals.end());
    long long res=n;
    for(int i=0;i<n-k;i++){
        res+=vals[i];
    }
    printf("%lld",res);
    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%d %d",&n,&k);
      |     ~~~~~^~~~~~~~~~~~~~~
stove.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d",&a);
      |         ~~~~~^~~~~~~~~

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