제출 #331644

#제출 시각아이디문제언어결과실행 시간메모리
331644vitkishloh228Money (IZhO17_money)C++14
0 / 100
0 ms364 KiB
#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;
    }
    //for (auto elem : a) cout << elem << ' ';
    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]!=1) {
            cnt++;
        }
    }
    cout << cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

money.cpp: In function 'int main()':
money.cpp:22:9: warning: variable 'last' set but not used [-Wunused-but-set-variable]
   22 |     int last = -1e9;
      |         ^~~~
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