제출 #516731

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
516731	2022-01-22 04:36:46	nickyrio	Exam (eJOI20_exam)	C++17	65 / 100	110 ms	99548 KiB

exam

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#include <bits/stdc++.h>
using namespace std;
#define all(s) s.begin(), s.end() 
const int N = 5050;
int a[N], b[N], n, dp[N][N], L[N], R[N];
vector<int> e[N];
void sub2() {
    for (int i = 2; i <= n; ++i) if (b[i] != b[1]) return;
    int cnt = 0;
    // cerr << "Sub 2" << '\n';
    for (int i = 1; i <= n; ++i) if (a[i] == b[1]) {
        // cerr << i << ' ' << L[i] << ' ' << R[i] << '\n';
        for (int j = L[i] + 1; j < R[i]; ++j) a[j] = b[1];
    }
    for (int i = 1; i <= n; ++i) if (a[i] == b[1]) ++cnt;
    cout << cnt << '\n';
    exit(0);
}
int main() {
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    for (int i = 1; i <= n; ++i) cin >> b[i];
    a[0] = a[n + 1] = 2e9;
    for (int i = 1; i <= n; ++i) {
        L[i] = R[i] = i;
        while (a[L[i]] <= a[i]) --L[i];
        while (a[R[i]] <= a[i]) ++R[i];
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

exam.cpp: In function 'int main()':
exam.cpp:38:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         if (temp_b != Ranking.size() && Ranking[temp_b] != b[i]) temp_b = Ranking.size();
      |             ~~~~~~~^~~~~~~~~~~~~~~~~
exam.cpp:44:13: warning: unused variable 'temp' [-Wunused-variable]
   44 |         int temp = 1;
      |             ^~~~

• Subtask 1: 14 / 14
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• Subtask 6: 22 / 22