Submission #1076211

# Submission time Handle Problem Language Result Execution time Memory
1076211 2024-08-26T11:49:08 Z amin The Big Prize (IOI17_prize) C++14
90 / 100
46 ms 2132 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
vector<int>q;
int a[1000000],b[1000000];
int find_best(int n) {
    int cur=0;

for(int i=0;i<n;i++)
{
    a[i]=-1;
    b[i]=-1;
}
q=ask(0);
a[0]=q[0];
b[0]=q[1];
int ma=max(ma,a[0]+b[0]);
    while(cur!=n)
    {
      //  cout<<cur<<endl;

   if(a[cur]==-1)
   {
       q=ask(cur);
       a[cur]=q[0];
       b[cur]=q[1];
   }

 int p=a[cur];
 int pp=b[cur];
 if(p==0&&pp==0)
    return cur;
    if(p+pp<ma)
    {
        cur++;
        continue;
    }
    ma=max(ma,p+pp);
        int l=0;
        int j=sqrt(n);
        int r=min(n-cur,j);
        while(l<r-1)
        {
            int mid=(l+r)/2;
            if(a[cur+mid]==-1)
            {


           q=ask(cur+mid);
           a[cur+mid]=q[0];
           b[cur+mid]=q[1];
            }
           if(p==a[cur+mid]&&pp==b[cur+mid])
           {
               l=mid;
           }else
           r=mid;
        }
        cur=r+cur;
    }

}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:31:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   31 |  if(p==0&&pp==0)
      |  ^~
prize.cpp:33:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   33 |     if(p+pp<ma)
      |     ^~
prize.cpp:62:1: warning: control reaches end of non-void function [-Wreturn-type]
   62 | }
      | ^
prize.cpp:17:5: warning: 'ma' is used uninitialized in this function [-Wuninitialized]
   17 | int ma=max(ma,a[0]+b[0]);
      |     ^~
# Verdict Execution time Memory Grader output
1 Correct 4 ms 1880 KB Output is correct
2 Correct 16 ms 1880 KB Output is correct
3 Correct 11 ms 1880 KB Output is correct
4 Correct 22 ms 1880 KB Output is correct
5 Correct 11 ms 1880 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 11 ms 1880 KB Output is correct
8 Correct 11 ms 1880 KB Output is correct
9 Correct 12 ms 1880 KB Output is correct
10 Correct 16 ms 2132 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 1880 KB Output is correct
2 Correct 15 ms 1880 KB Output is correct
3 Correct 14 ms 1880 KB Output is correct
4 Correct 17 ms 1880 KB Output is correct
5 Correct 9 ms 1880 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 11 ms 1880 KB Output is correct
8 Correct 12 ms 1880 KB Output is correct
9 Correct 12 ms 1880 KB Output is correct
10 Correct 13 ms 1880 KB Output is correct
11 Correct 6 ms 1880 KB Output is correct
12 Correct 1 ms 1880 KB Output is correct
13 Correct 15 ms 1880 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 4 ms 1880 KB Output is correct
16 Correct 17 ms 1880 KB Output is correct
17 Correct 1 ms 1880 KB Output is correct
18 Correct 18 ms 1880 KB Output is correct
19 Correct 1 ms 1880 KB Output is correct
20 Correct 6 ms 1112 KB Output is correct
21 Correct 8 ms 1880 KB Output is correct
22 Correct 4 ms 1880 KB Output is correct
23 Correct 3 ms 1880 KB Output is correct
24 Correct 1 ms 1880 KB Output is correct
25 Correct 17 ms 1880 KB Output is correct
26 Correct 14 ms 1880 KB Output is correct
27 Correct 6 ms 1880 KB Output is correct
28 Partially correct 38 ms 1880 KB Partially correct - number of queries: 6636
29 Partially correct 34 ms 1880 KB Partially correct - number of queries: 5601
30 Correct 23 ms 1880 KB Output is correct
31 Correct 1 ms 1880 KB Output is correct
32 Correct 22 ms 2132 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 7 ms 1880 KB Output is correct
35 Correct 12 ms 1880 KB Output is correct
36 Correct 5 ms 1880 KB Output is correct
37 Correct 5 ms 1880 KB Output is correct
38 Correct 3 ms 1880 KB Output is correct
39 Correct 13 ms 1880 KB Output is correct
40 Partially correct 46 ms 1880 KB Partially correct - number of queries: 7738
41 Correct 15 ms 1880 KB Output is correct
42 Correct 10 ms 1880 KB Output is correct
43 Correct 10 ms 1880 KB Output is correct
44 Correct 8 ms 1880 KB Output is correct
45 Correct 7 ms 1880 KB Output is correct
46 Correct 1 ms 1880 KB Output is correct
47 Correct 15 ms 1880 KB Output is correct
48 Correct 12 ms 1880 KB Output is correct
49 Correct 3 ms 1880 KB Output is correct
50 Correct 21 ms 1880 KB Output is correct
51 Correct 13 ms 1880 KB Output is correct
52 Correct 2 ms 1880 KB Output is correct
53 Correct 20 ms 1880 KB Output is correct
54 Correct 6 ms 1880 KB Output is correct
55 Correct 1 ms 1880 KB Output is correct
56 Correct 27 ms 1880 KB Output is correct
57 Correct 17 ms 1880 KB Output is correct
58 Correct 15 ms 1880 KB Output is correct
59 Correct 11 ms 1880 KB Output is correct
60 Correct 12 ms 1880 KB Output is correct
61 Correct 26 ms 1880 KB Output is correct
62 Correct 2 ms 1880 KB Output is correct
63 Correct 16 ms 1880 KB Output is correct
64 Correct 13 ms 1880 KB Output is correct
65 Correct 23 ms 1880 KB Output is correct
66 Correct 29 ms 1880 KB Output is correct
67 Correct 28 ms 1880 KB Output is correct
68 Correct 1 ms 1880 KB Output is correct
69 Correct 18 ms 1880 KB Output is correct
70 Correct 19 ms 1880 KB Output is correct
71 Partially correct 37 ms 1880 KB Partially correct - number of queries: 6368
72 Correct 29 ms 1880 KB Output is correct
73 Partially correct 34 ms 1880 KB Partially correct - number of queries: 6336
74 Partially correct 41 ms 1880 KB Partially correct - number of queries: 6352
75 Correct 40 ms 1880 KB Output is correct
76 Partially correct 31 ms 1880 KB Partially correct - number of queries: 6080
77 Partially correct 26 ms 1880 KB Partially correct - number of queries: 6630
78 Correct 20 ms 1880 KB Output is correct
79 Partially correct 28 ms 1880 KB Partially correct - number of queries: 5407
80 Partially correct 42 ms 1880 KB Partially correct - number of queries: 6630
81 Partially correct 20 ms 1880 KB Partially correct - number of queries: 6656
82 Partially correct 37 ms 1880 KB Partially correct - number of queries: 6596
83 Correct 34 ms 1880 KB Output is correct
84 Partially correct 27 ms 1880 KB Partially correct - number of queries: 6223
85 Partially correct 39 ms 1880 KB Partially correct - number of queries: 6626
86 Correct 24 ms 1880 KB Output is correct
87 Correct 17 ms 1880 KB Output is correct
88 Correct 29 ms 1880 KB Output is correct
89 Correct 32 ms 1880 KB Output is correct
90 Correct 18 ms 1880 KB Output is correct
91 Correct 16 ms 1880 KB Output is correct
92 Correct 20 ms 1880 KB Output is correct
93 Correct 22 ms 1880 KB Output is correct
94 Correct 28 ms 1880 KB Output is correct
95 Correct 14 ms 1880 KB Output is correct
96 Correct 29 ms 1880 KB Output is correct
97 Correct 21 ms 1880 KB Output is correct