Submission #81070

# Submission time Handle Problem Language Result Execution time Memory
81070 2018-10-23T16:16:54 Z faustaadp The Big Prize (IOI17_prize) C++17
99.95 / 100
103 ms 6668 KB
#include "prize.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
int L,R,j,b[202020],C,nx,ma;
vector<int> d[202020];
int find_best(int n) {
    vector<pair<int,vector<int> > > v;
	for(int i = 0; i < n; i++)
    {
        L=i+1;
        R=n-1;
        vector<int> res;
        if(b[i]==1)res=d[i];
        else res=ask(i);
        b[i]=1;
        d[i]=res;
        ma=max(ma,res[0]+res[1]);
        if(res[0] + res[1] == 0)return i;
        if(res[0]+res[1]<ma)continue;
        for(j=0;j<v.size();j++)
            if(v[j].se==res)
                L=max(v[j].fi+1,L);
        for(j=0;j<v.size();j++)
            if(v[j].se!=res&&v[j].fi>i)
            {
                R=min(R,v[j].fi);
                break;
            }
        nx=L;
        while(L<R)
        {
            C=(L+R)/2;
            vector<int> temp;
            if(b[C])temp=d[C];
            else    temp=ask(C);
            if(!b[C])
            v.pb(mp(C,temp));
            if(temp[0]+temp[1]==0)return C;
            b[C]=1;
            d[C]=temp;
            ma=max(ma,temp[0]+temp[1]);
            if(res[0]+res[1]<ma)break;
            if(temp==res)
            {
                nx=C;
                L=C+1;
            }
            else
                R=C-1;
        }
        sort(v.begin(),v.end());
        i=nx;
	}
	return 0;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:25:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<v.size();j++)
                 ~^~~~~~~~~
prize.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<v.size();j++)
                 ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5120 KB Output is correct
2 Correct 6 ms 5196 KB Output is correct
3 Correct 6 ms 5196 KB Output is correct
4 Correct 6 ms 5348 KB Output is correct
5 Correct 6 ms 5348 KB Output is correct
6 Correct 6 ms 5436 KB Output is correct
7 Correct 6 ms 5436 KB Output is correct
8 Correct 6 ms 5436 KB Output is correct
9 Correct 6 ms 5436 KB Output is correct
10 Correct 6 ms 5436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5436 KB Output is correct
2 Correct 6 ms 5436 KB Output is correct
3 Correct 6 ms 5436 KB Output is correct
4 Correct 7 ms 5436 KB Output is correct
5 Correct 7 ms 5436 KB Output is correct
6 Correct 6 ms 5436 KB Output is correct
7 Correct 6 ms 5436 KB Output is correct
8 Correct 7 ms 5436 KB Output is correct
9 Correct 7 ms 5436 KB Output is correct
10 Correct 6 ms 5436 KB Output is correct
11 Correct 8 ms 5468 KB Output is correct
12 Correct 6 ms 5468 KB Output is correct
13 Correct 10 ms 5692 KB Output is correct
14 Correct 8 ms 5692 KB Output is correct
15 Correct 15 ms 5692 KB Output is correct
16 Correct 78 ms 6204 KB Output is correct
17 Correct 6 ms 6204 KB Output is correct
18 Correct 92 ms 6616 KB Output is correct
19 Correct 6 ms 6616 KB Output is correct
20 Correct 17 ms 6616 KB Output is correct
21 Correct 26 ms 6616 KB Output is correct
22 Correct 9 ms 6616 KB Output is correct
23 Correct 6 ms 6616 KB Output is correct
24 Correct 7 ms 6616 KB Output is correct
25 Correct 37 ms 6616 KB Output is correct
26 Correct 46 ms 6616 KB Output is correct
27 Correct 7 ms 6616 KB Output is correct
28 Correct 77 ms 6616 KB Output is correct
29 Correct 66 ms 6616 KB Output is correct
30 Correct 87 ms 6616 KB Output is correct
31 Correct 6 ms 6616 KB Output is correct
32 Correct 10 ms 6616 KB Output is correct
33 Correct 6 ms 6616 KB Output is correct
34 Correct 24 ms 6616 KB Output is correct
35 Correct 8 ms 6616 KB Output is correct
36 Correct 18 ms 6616 KB Output is correct
37 Correct 6 ms 6616 KB Output is correct
38 Correct 5 ms 6616 KB Output is correct
39 Correct 31 ms 6616 KB Output is correct
40 Correct 67 ms 6616 KB Output is correct
41 Correct 44 ms 6616 KB Output is correct
42 Correct 39 ms 6616 KB Output is correct
43 Correct 32 ms 6616 KB Output is correct
44 Correct 23 ms 6616 KB Output is correct
45 Correct 20 ms 6616 KB Output is correct
46 Correct 8 ms 6616 KB Output is correct
47 Correct 28 ms 6616 KB Output is correct
48 Correct 56 ms 6616 KB Output is correct
49 Correct 8 ms 6616 KB Output is correct
50 Correct 84 ms 6616 KB Output is correct
51 Correct 26 ms 6616 KB Output is correct
52 Correct 6 ms 6616 KB Output is correct
53 Correct 7 ms 6616 KB Output is correct
54 Correct 28 ms 6616 KB Output is correct
55 Correct 6 ms 6616 KB Output is correct
56 Correct 77 ms 6616 KB Output is correct
57 Correct 54 ms 6616 KB Output is correct
58 Correct 57 ms 6616 KB Output is correct
59 Correct 43 ms 6616 KB Output is correct
60 Correct 40 ms 6616 KB Output is correct
61 Correct 7 ms 6616 KB Output is correct
62 Correct 6 ms 6616 KB Output is correct
63 Correct 7 ms 6616 KB Output is correct
64 Correct 7 ms 6616 KB Output is correct
65 Correct 7 ms 6616 KB Output is correct
66 Correct 8 ms 6616 KB Output is correct
67 Correct 6 ms 6616 KB Output is correct
68 Correct 10 ms 6616 KB Output is correct
69 Correct 9 ms 6616 KB Output is correct
70 Correct 6 ms 6616 KB Output is correct
71 Correct 76 ms 6616 KB Output is correct
72 Correct 10 ms 6616 KB Output is correct
73 Correct 78 ms 6616 KB Output is correct
74 Correct 78 ms 6616 KB Output is correct
75 Correct 7 ms 6616 KB Output is correct
76 Correct 62 ms 6616 KB Output is correct
77 Partially correct 100 ms 6616 KB Partially correct - number of queries: 5005
78 Correct 9 ms 6616 KB Output is correct
79 Correct 37 ms 6616 KB Output is correct
80 Correct 103 ms 6668 KB Output is correct
81 Correct 86 ms 6668 KB Output is correct
82 Correct 102 ms 6668 KB Output is correct
83 Correct 8 ms 6668 KB Output is correct
84 Correct 75 ms 6668 KB Output is correct
85 Correct 100 ms 6668 KB Output is correct
86 Correct 8 ms 6668 KB Output is correct
87 Correct 7 ms 6668 KB Output is correct
88 Correct 8 ms 6668 KB Output is correct
89 Correct 12 ms 6668 KB Output is correct
90 Correct 6 ms 6668 KB Output is correct
91 Correct 7 ms 6668 KB Output is correct
92 Correct 6 ms 6668 KB Output is correct
93 Correct 8 ms 6668 KB Output is correct
94 Correct 9 ms 6668 KB Output is correct
95 Correct 9 ms 6668 KB Output is correct
96 Correct 8 ms 6668 KB Output is correct
97 Correct 6 ms 6668 KB Output is correct