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Submission #718122

# Submission time Handle Problem Language Result Execution time Memory
718122 2023-04-03T11:35:42 Z Jarif_Rahman The Big Prize (IOI17_prize) C++17
20 / 100
 86 ms 10112 KB 
#include "prize.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

vector<int> asked[200000];
vector<int> Ask(int i){
    if(asked[i].empty()) asked[i] = ask(i);
    return asked[i];
}

int find_best(int n){
    int p = 0;

    while(1){
        auto cur = Ask(p);
        if(cur[0]+cur[1] == 0) return p;
        int a = p+1, b = n-1;
        while(a < b){
            int md = (a+b)/2;
            auto v = Ask(md);
            if(v[0]+v[1] == 0) return md;
            if(v[0]+v[1] > cur[0]+cur[1]) b = md;
            else if(v[0] > cur[0]) b = md-1;
            else a = md+1;
        }
        p = a;
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4944 KB Output is correct
2 Correct 3 ms 4944 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 3 ms 4944 KB Output is correct
5 Correct 3 ms 4944 KB Output is correct
6 Correct 3 ms 4968 KB Output is correct
7 Correct 3 ms 4984 KB Output is correct
8 Correct 3 ms 4944 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4944 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4988 KB Output is correct
3 Correct 3 ms 4944 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 3 ms 4988 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4988 KB Output is correct
8 Correct 3 ms 4988 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4944 KB Output is correct
11 Correct 7 ms 4972 KB Output is correct
12 Correct 3 ms 4972 KB Output is correct
13 Correct 11 ms 5012 KB Output is correct
14 Correct 6 ms 4944 KB Output is correct
15 Correct 14 ms 5000 KB Output is correct
16 Partially correct 57 ms 5108 KB Partially correct - number of queries: 7320
17 Correct 3 ms 4944 KB Output is correct
18 Partially correct 86 ms 5196 KB Partially correct - number of queries: 8682
19 Correct 4 ms 4944 KB Output is correct
20 Correct 19 ms 5020 KB Output is correct
21 Runtime error 37 ms 10112 KB Execution killed with signal 11
22 Halted 0 ms 0 KB -