Submission #40104

# Submission time Handle Problem Language Result Execution time Memory
40104 2018-01-27T07:55:38 Z igzi Gap (APIO16_gap) C++14
30 / 100
81 ms 5804 KB
#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

long long findGap(int t,int n){
    if(t==1){
    long long l=0,d=n+1,a[100005],m=0,i;
    for(i=0;i<n;i++){
        a[i]=-5;
    }
    a[0]=-1;
    a[n+1]=1000000000000000005;
    for(i=1;i<=(n+1)/2;i++){
        MinMax(a[l]+1,a[d]-1,&a[l+1],&a[d-1]);
        l++; d--;
    }
    for(i=2;i<=l;i++){
        m=max(m,a[i]-a[i-1]);
    }
    if(l+1==d) m=max(m,a[d]-a[l]);
    for(i=d+1;i<n+1;i++){
        m=max(m,a[i]-a[i-1]);
    }
    return m;}
    else{
        long long a,b,i,ans=0,last=a,s,e;
        MinMax(0,1e18+5,&a,&b);
        long long d=(b-a-1)/n+1;
        for(s=a+1,e=a+d,i=0;i<n;s+=d,e+=d,i++){
            if(e>=b) e=b-1;
            if(s>e) break;
            long long mi,ma;
            MinMax(s,e,&mi,&ma);
            if(mi!=-1){
                ans=max(ans,mi-last);
                last=ma;
            }
        }
        ans=max(ans,b-last);
        return ans;
    }
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:27:36: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
         long long a,b,i,ans=0,last=a,s,e;
                                    ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5800 KB Output is correct
2 Correct 0 ms 5796 KB Output is correct
3 Correct 0 ms 5800 KB Output is correct
4 Correct 0 ms 5800 KB Output is correct
5 Correct 0 ms 5800 KB Output is correct
6 Correct 0 ms 5796 KB Output is correct
7 Correct 0 ms 5800 KB Output is correct
8 Correct 0 ms 5804 KB Output is correct
9 Correct 0 ms 5796 KB Output is correct
10 Correct 0 ms 5804 KB Output is correct
11 Correct 1 ms 5796 KB Output is correct
12 Correct 1 ms 5800 KB Output is correct
13 Correct 0 ms 5800 KB Output is correct
14 Correct 1 ms 5800 KB Output is correct
15 Correct 0 ms 5796 KB Output is correct
16 Correct 15 ms 5800 KB Output is correct
17 Correct 14 ms 5800 KB Output is correct
18 Correct 14 ms 5800 KB Output is correct
19 Correct 9 ms 5800 KB Output is correct
20 Correct 9 ms 5800 KB Output is correct
21 Correct 52 ms 5800 KB Output is correct
22 Correct 52 ms 5800 KB Output is correct
23 Correct 81 ms 5800 KB Output is correct
24 Correct 47 ms 5796 KB Output is correct
25 Correct 43 ms 5800 KB Output is correct
26 Correct 56 ms 5800 KB Output is correct
27 Correct 65 ms 5796 KB Output is correct
28 Correct 65 ms 5800 KB Output is correct
29 Correct 53 ms 5804 KB Output is correct
30 Correct 36 ms 5796 KB Output is correct
31 Correct 0 ms 5796 KB Output is correct
32 Correct 0 ms 5804 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 5800 KB Output isn't correct
2 Correct 0 ms 5804 KB Output is correct
3 Incorrect 0 ms 5800 KB Output isn't correct
4 Correct 0 ms 5796 KB Output is correct
5 Incorrect 0 ms 5796 KB Output isn't correct
6 Correct 0 ms 5800 KB Output is correct
7 Correct 0 ms 5804 KB Output is correct
8 Correct 0 ms 5800 KB Output is correct
9 Correct 0 ms 5796 KB Output is correct
10 Correct 0 ms 5804 KB Output is correct
11 Correct 1 ms 5800 KB Output is correct
12 Correct 1 ms 5804 KB Output is correct
13 Correct 1 ms 5796 KB Output is correct
14 Correct 1 ms 5804 KB Output is correct
15 Incorrect 0 ms 5796 KB Output isn't correct
16 Correct 18 ms 5800 KB Output is correct
17 Correct 19 ms 5796 KB Output is correct
18 Correct 18 ms 5800 KB Output is correct
19 Correct 15 ms 5800 KB Output is correct
20 Correct 6 ms 5800 KB Output is correct
21 Correct 79 ms 5796 KB Output is correct
22 Correct 69 ms 5796 KB Output is correct
23 Correct 69 ms 5800 KB Output is correct
24 Correct 71 ms 5796 KB Output is correct
25 Incorrect 81 ms 5796 KB Output isn't correct
26 Correct 74 ms 5804 KB Output is correct
27 Correct 78 ms 5800 KB Output is correct
28 Correct 70 ms 5804 KB Output is correct
29 Correct 68 ms 5804 KB Output is correct
30 Correct 37 ms 5800 KB Output is correct
31 Correct 0 ms 5800 KB Output is correct
32 Incorrect 0 ms 5796 KB Output isn't correct