제출 #122745

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
122745		arnold518	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2296 KiB

stove

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

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

int N, K, T[MAXN+10], ans;

int main()
{
    int i, j;

    scanf("%d%d", &N, &K); K--;
    for(i=1; i<=N; i++) scanf("%d", &T[i]);
    ans=T[N]+1-T[1];

    vector<int> V;
    for(i=2; i<=N; i++) if(T[i]>1+T[i-1]) V.push_back(T[i]-T[i-1]-1);

    sort(V.begin(), V.end(), greater<int>());

    for(i=0; i<V.size() && i<K; i++) ans-=V[i];
    printf("%d", ans);
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:25:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0; i<V.size() && i<K; i++) ans-=V[i];
              ~^~~~~~~~~
stove.cpp:14:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
stove.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &K); K--;
     ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:17:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%d", &T[i]);
                         ~~~~~^~~~~~~~~~~~~

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