Submission #68012

#	Time	Username	Problem	Language	Result	Execution time	Memory
68012		duality	Skyscraper (JOI16_skyscraper)	C++11	5 / 100	2068 ms	696 KiB

skyscraper

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

int A[100];
int main() {
    int i;
    int N,L;
    scanf("%d %d",&N,&L);
    for (i = 0; i < N; i++) scanf("%d",&A[i]);

    int ans = 0;
    sort(A,A+N);
    do {
        int s = 0;
        for (i = 1; i < N; i++) s += abs(A[i-1]-A[i]);
        if (s <= L) ans++;
    } while (next_permutation(A,A+N));
    printf("%d\n",ans);

    return 0;
}

Compilation message (stderr)

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&L);
     ~~~~~^~~~~~~~~~~~~~~
skyscraper.cpp:14:34: 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",&A[i]);
                             ~~~~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 80