Submission #135150

#	Time	Username	Problem	Language	Result	Execution time	Memory
135150		duality	Stove (JOI18_stove)	C++11	100 / 100	29 ms	2140 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;

int T[100000],D[100000];
int main() {
    int i;
    int N,K;
    scanf("%d %d",&N,&K);
    for (i = 0; i < N; i++) scanf("%d",&T[i]);

    int t = T[N-1]-T[0]+1;
    for (i = 0; i < N; i++) D[i] = T[i+1]-T[i]-1;
    sort(D,D+N-1,greater<int>());
    for (i = 0; i < K-1; i++) t -= D[i];
    printf("%d\n",t);

    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&K);
     ~~~~~^~~~~~~~~~~~~~~
stove.cpp:15:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&T[i]);
                             ~~~~~^~~~~~~~~~~~

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