oj.uz

Submission #1090898

# Submission time Handle Problem Language Result Execution time Memory
1090898 2024-09-19T05:43:54 Z KasymK Exam (eJOI20_exam) C++17
12 / 100
 17 ms 3416 KB 
#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N = 1e5+5;
int a[N], b[N], n;
bool vis[N];

int sub2(){
    int answer = 0;
    for(int i = 1; i <= n; ++i)
        if(b[1] == a[i]){
            answer++;
            for(int l = i-1; l >= 1 and !vis[l] and a[l] < a[i]; --l)
                answer++, vis[l] = 1;
            for(int r = i+1; r <= n and !vis[r] and a[r] < a[i]; ++r)
                answer++, vis[r] = 1;
        }
    return answer;
}

int sub4(){
    return 0;
}

int suball(){
    return 0;
}

int main(){
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i){
        int x;
        scanf("%d", &x);
        a[i] = x;
    }
    for(int i = 1; i <= n; ++i){
        int x;
        scanf("%d", &x);
        b[i] = x;
    }
    bool ok = 1;
    for(int i = 1; i < n; ++i)
        ok &= (b[i] == b[i+1]);
    if(ok){
        int answer = sub2();
        printf("%d\n", answer);
        return 0;
    }
    if(n >= 5e3){
        int answer = sub4();
        printf("%d\n", answer);
        return 0;
    }
    int answer = suball();
    printf("%d\n", answer);
    return 0;
}

Compilation message

exam.cpp: In function 'int main()':
exam.cpp:41:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
exam.cpp:44:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~
exam.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 4 ms 968 KB Output is correct
3 Correct 11 ms 2124 KB Output is correct
4 Correct 10 ms 1624 KB Output is correct
5 Correct 17 ms 3080 KB Output is correct
6 Correct 10 ms 1372 KB Output is correct
7 Correct 14 ms 1680 KB Output is correct
8 Correct 16 ms 3416 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -