Submission #1009645

# Submission time Handle Problem Language Result Execution time Memory
1009645 2024-06-27T18:22:06 Z dpsaveslives Gap (APIO16_gap) C++17
30 / 100
46 ms 3536 KB
#include "gap.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll INF = 1e18;
ll findGap(int T, int N){
    if(T == 1){
        ll l = 1, r = INF;
        ll mn, mx;
        vector<ll> arr(N);
        int ind = 0;
        for(int i = 1;i<=(N+1)/2;++i){
            MinMax(l,r,&mn,&mx);
            arr[ind] = mn;
            arr[++ind] = mx;
            ++ind;
            l = mn+1; r = mx-1;
        }
        sort(arr.begin(),arr.end());
        ll ans = 0;
        for(int i = 0;i<=arr.size()-1;++i){
            ans = max(ans,arr[i+1]-arr[i]);
        }
        return ans;
    }
    ll a1, an;
    MinMax(1,INF,&a1,&an);
    ll k = (an-a1+N-2)/(N-1); //N-1 differences between i and i+1, I think the N-2 is so that we don't find an immediately?
    ll cur = a1,x,y,ans = k, last = a1;
    while(cur+k <= an){
        MinMax(cur,cur+k,&x,&y); //x >= cur and y <= cur+k
        if(x != -1){ //if there is such a x with x >= cur
            ans = max(ans,x-last);
            last = y; //last really just saves the last one where something was found?
        }
        cur += k+1;
    }
    /*MinMax(cur,an,&x,&y);
    if(x != -1){
        ans = max(ans,x-last);
    }*/
    return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:21:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int i = 0;i<=arr.size()-1;++i){
      |                       ~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 2552 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 2 ms 2392 KB Output is correct
16 Correct 14 ms 2648 KB Output is correct
17 Correct 8 ms 2648 KB Output is correct
18 Correct 8 ms 2648 KB Output is correct
19 Correct 9 ms 2648 KB Output is correct
20 Correct 7 ms 2648 KB Output is correct
21 Correct 37 ms 3536 KB Output is correct
22 Correct 36 ms 3416 KB Output is correct
23 Correct 32 ms 3416 KB Output is correct
24 Correct 33 ms 3416 KB Output is correct
25 Correct 28 ms 3416 KB Output is correct
26 Correct 46 ms 3416 KB Output is correct
27 Correct 32 ms 3532 KB Output is correct
28 Correct 30 ms 3416 KB Output is correct
29 Correct 32 ms 3416 KB Output is correct
30 Correct 28 ms 3480 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 0 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 0 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 0 ms 2392 KB Output is correct
10 Incorrect 1 ms 2388 KB Output isn't correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 2480 KB Output is correct
17 Correct 9 ms 2392 KB Output is correct
18 Correct 9 ms 2596 KB Output is correct
19 Correct 9 ms 2596 KB Output is correct
20 Correct 9 ms 2392 KB Output is correct
21 Correct 35 ms 2648 KB Output is correct
22 Correct 36 ms 2648 KB Output is correct
23 Correct 35 ms 2648 KB Output is correct
24 Correct 34 ms 2648 KB Output is correct
25 Correct 32 ms 2648 KB Output is correct
26 Correct 35 ms 2648 KB Output is correct
27 Correct 36 ms 2648 KB Output is correct
28 Correct 34 ms 2648 KB Output is correct
29 Correct 35 ms 2784 KB Output is correct
30 Correct 20 ms 2648 KB Output is correct
31 Incorrect 0 ms 2388 KB Output isn't correct
32 Correct 1 ms 2392 KB Output is correct