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Submission #757211

# Submission time Handle Problem Language Result Execution time Memory
757211 2023-06-12T19:14:07 Z alexander707070 The Big Prize (IOI17_prize) C++14
20 / 100
 52 ms 336 KB 
#include<bits/stdc++.h>
#include "prize.h"
#define MAXN 200007
using namespace std;
 
int nn,r,res;
vector<int> w;

int solve(int l,int r,int reml,int remr){
    if(l>r)return 0;

    int mid=(l+r)/2,p;
    vector<int> curr;

    while(mid<=r){
        curr=ask(mid);
        if(curr[0]+curr[1]==res)break;
        if(curr[0]+curr[1]==0)return mid;
        mid++;
    }

    if(mid==r+1){
        mid=(l+r)/2-1;

        while(mid>=l){
            curr=ask(mid);
            if(curr[0]+curr[1]==res)break;
            if(curr[0]+curr[1]==0)return mid;
            mid--;
        }

        if(mid==l-1)return 0;

        curr[0]-=reml;
        if(curr[0]>0){
            return solve(l,mid-1,reml,remr+(r-mid));
        }

        return 0;
    }else{
        curr[0]-=reml-(mid-(l+r)/2);
        curr[1]-=remr;

        if(curr[0]>0){
            p=solve(l,(l+r)/2-1,reml,remr+curr[1]+(mid-(l+r)/2));
            if(p!=0)return p;
        }
        if(curr[1]>0){
            p=solve(mid+1,r,reml+curr[0]+(mid-(l+r)/2),remr);
            if(p!=0)return p;
        }

        return 0;
    }

    return 0;
}

int find_best(int N){
    nn=N;
    for(int i=1;i<=100;i++){
        r=rand()%nn; w=ask(r);
        res=max(res,w[0]+w[1]);
    }

    return solve(0,nn-1,0,0);
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 208 KB Output is correct
2 Correct 2 ms 292 KB Output is correct
3 Correct 2 ms 268 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 2 ms 208 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 308 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 284 KB Output is correct
12 Correct 2 ms 292 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 37 ms 208 KB Output is correct
17 Correct 2 ms 208 KB Output is correct
18 Correct 38 ms 208 KB Output is correct
19 Correct 2 ms 292 KB Output is correct
20 Correct 9 ms 292 KB Output is correct
21 Correct 18 ms 208 KB Output is correct
22 Correct 5 ms 292 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 208 KB Output is correct
25 Correct 29 ms 296 KB Output is correct
26 Correct 25 ms 208 KB Output is correct
27 Correct 2 ms 208 KB Output is correct
28 Correct 30 ms 208 KB Output is correct
29 Correct 34 ms 268 KB Output is correct
30 Correct 44 ms 292 KB Output is correct
31 Correct 2 ms 208 KB Output is correct
32 Correct 8 ms 208 KB Output is correct
33 Correct 3 ms 208 KB Output is correct
34 Correct 19 ms 208 KB Output is correct
35 Correct 2 ms 292 KB Output is correct
36 Correct 12 ms 288 KB Output is correct
37 Correct 3 ms 208 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 30 ms 208 KB Output is correct
40 Correct 46 ms 208 KB Output is correct
41 Correct 31 ms 208 KB Output is correct
42 Correct 28 ms 208 KB Output is correct
43 Correct 22 ms 268 KB Output is correct
44 Correct 19 ms 292 KB Output is correct
45 Correct 15 ms 292 KB Output is correct
46 Correct 2 ms 208 KB Output is correct
47 Correct 20 ms 296 KB Output is correct
48 Correct 34 ms 208 KB Output is correct
49 Correct 5 ms 292 KB Output is correct
50 Correct 52 ms 208 KB Output is correct
51 Correct 19 ms 332 KB Output is correct
52 Correct 2 ms 284 KB Output is correct
53 Correct 2 ms 208 KB Output is correct
54 Correct 21 ms 288 KB Output is correct
55 Correct 1 ms 208 KB Output is correct
56 Correct 45 ms 208 KB Output is correct
57 Correct 35 ms 288 KB Output is correct
58 Correct 25 ms 288 KB Output is correct
59 Correct 28 ms 208 KB Output is correct
60 Correct 17 ms 208 KB Output is correct
61 Correct 1 ms 288 KB Output is correct
62 Correct 2 ms 288 KB Output is correct
63 Correct 2 ms 208 KB Output is correct
64 Correct 1 ms 292 KB Output is correct
65 Correct 1 ms 208 KB Output is correct
66 Correct 4 ms 208 KB Output is correct
67 Correct 5 ms 292 KB Output is correct
68 Correct 2 ms 208 KB Output is correct
69 Correct 4 ms 292 KB Output is correct
70 Correct 5 ms 208 KB Output is correct
71 Correct 40 ms 208 KB Output is correct
72 Correct 7 ms 208 KB Output is correct
73 Correct 38 ms 208 KB Output is correct
74 Correct 44 ms 208 KB Output is correct
75 Correct 2 ms 208 KB Output is correct
76 Correct 43 ms 208 KB Output is correct
77 Correct 39 ms 208 KB Output is correct
78 Correct 6 ms 208 KB Output is correct
79 Correct 24 ms 208 KB Output is correct
80 Correct 35 ms 208 KB Output is correct
81 Correct 48 ms 208 KB Output is correct
82 Correct 35 ms 208 KB Output is correct
83 Correct 2 ms 208 KB Output is correct
84 Correct 17 ms 288 KB Output is correct
85 Correct 37 ms 304 KB Output is correct
86 Correct 9 ms 208 KB Output is correct
87 Correct 5 ms 208 KB Output is correct
88 Incorrect 12 ms 284 KB answer is not correct
89 Halted 0 ms 0 KB -