Submission #81066

# Submission time Handle Problem Language Result Execution time Memory
81066 2018-10-23T16:13:24 Z faustaadp The Big Prize (IOI17_prize) C++17
99.95 / 100
104 ms 6652 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=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 6 ms 5120 KB Output is correct
2 Correct 7 ms 5120 KB Output is correct
3 Correct 7 ms 5140 KB Output is correct
4 Correct 6 ms 5152 KB Output is correct
5 Correct 6 ms 5280 KB Output is correct
6 Correct 6 ms 5284 KB Output is correct
7 Correct 6 ms 5284 KB Output is correct
8 Correct 6 ms 5284 KB Output is correct
9 Correct 6 ms 5284 KB Output is correct
10 Correct 6 ms 5284 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5284 KB Output is correct
2 Correct 6 ms 5284 KB Output is correct
3 Correct 6 ms 5284 KB Output is correct
4 Correct 6 ms 5284 KB Output is correct
5 Correct 6 ms 5284 KB Output is correct
6 Correct 6 ms 5284 KB Output is correct
7 Correct 6 ms 5284 KB Output is correct
8 Correct 6 ms 5284 KB Output is correct
9 Correct 6 ms 5284 KB Output is correct
10 Correct 6 ms 5284 KB Output is correct
11 Correct 8 ms 5436 KB Output is correct
12 Correct 7 ms 5436 KB Output is correct
13 Correct 11 ms 5820 KB Output is correct
14 Correct 8 ms 5820 KB Output is correct
15 Correct 12 ms 5820 KB Output is correct
16 Correct 67 ms 6332 KB Output is correct
17 Correct 6 ms 6332 KB Output is correct
18 Correct 101 ms 6600 KB Output is correct
19 Correct 6 ms 6600 KB Output is correct
20 Correct 18 ms 6600 KB Output is correct
21 Correct 26 ms 6600 KB Output is correct
22 Correct 9 ms 6600 KB Output is correct
23 Correct 6 ms 6600 KB Output is correct
24 Correct 7 ms 6600 KB Output is correct
25 Correct 30 ms 6600 KB Output is correct
26 Correct 38 ms 6600 KB Output is correct
27 Correct 8 ms 6600 KB Output is correct
28 Correct 87 ms 6600 KB Output is correct
29 Correct 57 ms 6600 KB Output is correct
30 Correct 77 ms 6600 KB Output is correct
31 Correct 7 ms 6600 KB Output is correct
32 Correct 10 ms 6600 KB Output is correct
33 Correct 6 ms 6600 KB Output is correct
34 Correct 18 ms 6600 KB Output is correct
35 Correct 8 ms 6600 KB Output is correct
36 Correct 15 ms 6600 KB Output is correct
37 Correct 7 ms 6600 KB Output is correct
38 Correct 7 ms 6600 KB Output is correct
39 Correct 30 ms 6600 KB Output is correct
40 Correct 73 ms 6600 KB Output is correct
41 Correct 43 ms 6600 KB Output is correct
42 Correct 43 ms 6600 KB Output is correct
43 Correct 36 ms 6600 KB Output is correct
44 Correct 30 ms 6600 KB Output is correct
45 Correct 26 ms 6600 KB Output is correct
46 Correct 6 ms 6600 KB Output is correct
47 Correct 26 ms 6600 KB Output is correct
48 Correct 55 ms 6600 KB Output is correct
49 Correct 8 ms 6600 KB Output is correct
50 Correct 94 ms 6604 KB Output is correct
51 Correct 22 ms 6604 KB Output is correct
52 Correct 7 ms 6604 KB Output is correct
53 Correct 7 ms 6604 KB Output is correct
54 Correct 25 ms 6604 KB Output is correct
55 Correct 7 ms 6604 KB Output is correct
56 Correct 86 ms 6652 KB Output is correct
57 Correct 53 ms 6652 KB Output is correct
58 Correct 70 ms 6652 KB Output is correct
59 Correct 42 ms 6652 KB Output is correct
60 Correct 43 ms 6652 KB Output is correct
61 Correct 8 ms 6652 KB Output is correct
62 Correct 7 ms 6652 KB Output is correct
63 Correct 8 ms 6652 KB Output is correct
64 Correct 7 ms 6652 KB Output is correct
65 Correct 6 ms 6652 KB Output is correct
66 Correct 10 ms 6652 KB Output is correct
67 Correct 6 ms 6652 KB Output is correct
68 Correct 8 ms 6652 KB Output is correct
69 Correct 10 ms 6652 KB Output is correct
70 Correct 6 ms 6652 KB Output is correct
71 Correct 72 ms 6652 KB Output is correct
72 Correct 10 ms 6652 KB Output is correct
73 Correct 64 ms 6652 KB Output is correct
74 Correct 76 ms 6652 KB Output is correct
75 Correct 6 ms 6652 KB Output is correct
76 Correct 61 ms 6652 KB Output is correct
77 Partially correct 97 ms 6652 KB Partially correct - number of queries: 5005
78 Correct 10 ms 6652 KB Output is correct
79 Correct 37 ms 6652 KB Output is correct
80 Correct 94 ms 6652 KB Output is correct
81 Correct 104 ms 6652 KB Output is correct
82 Correct 101 ms 6652 KB Output is correct
83 Correct 7 ms 6652 KB Output is correct
84 Correct 72 ms 6652 KB Output is correct
85 Correct 93 ms 6652 KB Output is correct
86 Correct 11 ms 6652 KB Output is correct
87 Correct 8 ms 6652 KB Output is correct
88 Correct 10 ms 6652 KB Output is correct
89 Correct 10 ms 6652 KB Output is correct
90 Correct 7 ms 6652 KB Output is correct
91 Correct 10 ms 6652 KB Output is correct
92 Correct 6 ms 6652 KB Output is correct
93 Correct 9 ms 6652 KB Output is correct
94 Correct 10 ms 6652 KB Output is correct
95 Correct 9 ms 6652 KB Output is correct
96 Correct 8 ms 6652 KB Output is correct
97 Correct 6 ms 6652 KB Output is correct