Submission #37383

#	Time	Username	Problem	Language	Result	Execution time	Memory
37383		HardNut	Money (IZhO17_money)	C++14	45 / 100	1500 ms	6320 KiB

money

#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5;

typedef long long ll;

int n, a[N], ans;
set<int> st;
bool us;

int main() {
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        scanf("%d", &a[i]);
    }
    int i = 1;
    st.insert((int)1e9);
    while (i <= n) {
        int x = *upper_bound(st.begin(), st.end(), a[i]);
        int l = i;
        while (a[i + 1] >= a[i] && a[i + 1] <= x) {
            i++;
        }
        for (int j = l; j <= i; j++) {
            st.insert(a[j]);
        }
        i++;
        ans++;
    }
    printf("%d", ans);
}
/**
6
1 5 2 5 5 6
**/

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:14:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
money.cpp:16:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
                           ^

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 0 / 55