Submission #331643

#	Time	Username	Problem	Language	Result	Execution time	Memory
331643		vitkishloh228	Money (IZhO17_money)	C++14	0 / 100	1 ms	364 KiB

money

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) cin >> a[i];
    vector<int> q = a;
    sort(q.begin(), q.end());
    vector<int> used(n);
    for (int i = 0; i < n; ++i) {
        a[i] = lower_bound(q.begin(), q.end(), a[i]) - q.begin();
        while (used[a[i]]) {
            a[i]++;
        }
        used[a[i]] = 1;
    }
    int cnt = 1;
    int last = -1e9;
    for (int i = 0; i < n; ++i) {
        if (i == 0) {
            last = a[i];
        }
        else if (a[i] < a[i-1]) {
            cnt++;
        }
    }
    cout << cnt;
}

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:21:9: warning: variable 'last' set but not used [-Wunused-but-set-variable]
   21 |     int last = -1e9;
      |         ^~~~

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