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Submission #467067

# Submission time Handle Problem Language Result Execution time Memory
467067 2021-08-21T15:09:27 Z mtxas Exam (eJOI20_exam) C++14
0 / 100
 1000 ms 1144 KB 
#include <bits/stdc++.h>

#define ll long long
#define vi vector<int>
#define vll vector<ll>
#define pb push_back
#define mfsadfp make_pair
#define pii pair<int, int>
#define pll pair<ll, ll>
#define fi first
#define se second
#define mii map<int, int>
#define all(a) a.begin(), a.end()
#define _fre() freopen("input.txt", "r", stdin)
#define turbo() cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false)
#define sz(x) ((int)x.size())
#define _for(a, b, c) for(int (a) = (b); (a) < (c); (a)++)
#define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
#define _forneq(a, b, c) for(int (a) = (b); (a) >= (c); (a)--)
#define _forn(a, b, c) for(int (a) = (b); (a) > (c); (a)--)
using namespace std;
#define int ll
/***********************************************************************************
                                 STRUCTS
************************************************************************************/

/***********************************************************************************
                                VARIABLES
************************************************************************************/
const int maxn = 1e5+1;
int n;
int a[maxn], b[maxn];
int dp[maxn];
/***********************************************************************************
                                FUNCTIONS
************************************************************************************/
int pass(int l, int r){
    int mx = 0;
    _foreq(i, l, r) mx = max(mx, a[i]);
    int ans = 0;
    _foreq(i, l, r) ans += (mx == b[i]);
    return ans;
}
/***********************************************************************************
                                  MAIN
************************************************************************************/
signed main(){
   // _fre();
    turbo();
    cin>>n; _foreq(i, 1,n) cin>>a[i]; _foreq(i, 1, n) cin>>b[i];
    _foreq(i, 1, n){
        _foreq(x, 0, i-1)
            dp[i] = max(dp[i], dp[x] + pass(x+1, i));
    }
    cout<<dp[n];
}

Compilation message

exam.cpp: In function 'long long int pass(long long int, long long int)':
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:39:5: note: in expansion of macro '_foreq'
   39 |     _foreq(i, l, r) mx = max(mx, a[i]);
      |     ^~~~~~
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:41:5: note: in expansion of macro '_foreq'
   41 |     _foreq(i, l, r) ans += (mx == b[i]);
      |     ^~~~~~
exam.cpp: In function 'int main()':
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:50:13: note: in expansion of macro '_foreq'
   50 |     cin>>n; _foreq(i, 1,n) cin>>a[i]; _foreq(i, 1, n) cin>>b[i];
      |             ^~~~~~
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:50:39: note: in expansion of macro '_foreq'
   50 |     cin>>n; _foreq(i, 1,n) cin>>a[i]; _foreq(i, 1, n) cin>>b[i];
      |                                       ^~~~~~
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:51:5: note: in expansion of macro '_foreq'
   51 |     _foreq(i, 1, n){
      |     ^~~~~~
exam.cpp:18:33: warning: unnecessary parentheses in declaration of 'x' [-Wparentheses]
   18 | #define _foreq(a, b, c) for(int (a) = (b); (a) <= (c); (a)++)
      |                                 ^
exam.cpp:52:9: note: in expansion of macro '_foreq'
   52 |         _foreq(x, 0, i-1)
      |         ^~~~~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Incorrect 0 ms 332 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 320 ms 364 KB Output is correct
2 Execution timed out 1073 ms 1144 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1083 ms 508 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Incorrect 0 ms 332 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Incorrect 0 ms 332 KB Output isn't correct
6 Halted 0 ms 0 KB -