oj.uz

답안 #57134

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
57134 2018-07-14T06:20:24 Z Scayre K개의 묶음 (IZhO14_blocks) C++14
0 / 100
 6 ms 1100 KB 
//
// omae wa mou shindeiru.
//
 
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx")
 
#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <algorithm>
 
#define ll long long
#define ull unsigned ll
#define ioi exit(0);
 
#define f first
#define s second
 
#define inf (int)1e9 + 7
 
#define NFS ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
 
#define mp make_pair
 
#define lb(x) lower_bound(x)
#define ub(x) upper_bound(x)
 
#define pb push_back
#define ppb pop_back
 
#define endl "\n"
 
#define in(x) insert(x)
 
#define sz(x) (int)x.size()
 
#define all(x) x.begin(),x.end()
 
#define pw2(x) (1<<x) //2^x
 
#define sqr(x) ((x) * 1ll * (x))
 
using namespace std;
 
const int N = (int)1e6 + 7, MOD = (int)1e9 + 7;
 
int n,k;
 
int a[N];
 
ll ans;
 
int main(){
 
	#ifdef IOI2019
		freopen ("in.txt", "r", stdin);
	#endif
 
	//NFS
 
	cin >> n >> k;
 
	for(int i=1;i<=n;i++){
		cin >> a[i];
	}
 
	k--;
 
	ans+=a[n];
 
	for(int i=1;i<=k;i++){
		ans+=a[i];
	}
 
	cout << ans << endl;
 
	#ifdef IOI2019
		cout << "\nTime Elapsed : " << clock () * 1.0 / CLOCKS_PER_SEC << endl;
	#endif
 
	ioi
}

Subtask #1
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 504 KB Output is correct
2 Incorrect 3 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 648 KB Output is correct
2 Incorrect 2 ms 656 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 836 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 6 ms 1100 KB Output isn't correct
2 Halted 0 ms 0 KB -