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Submission #469009

# Submission time Handle Problem Language Result Execution time Memory
469009 2021-08-30T11:52:09 Z Cross_Ratio The Big Prize (IOI17_prize) C++14
20 / 100
 90 ms 328 KB 
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;



int find_best(int N) {
    int s = 0;
    int e = N;
    srand(0);
    int cnt = 0;
    while(s + 1 != e) {
        int mid = rand() % (e - s) + s;
        vector<int> V = ask(mid);
        if(V[0] == 0 && V[1] == 0) return mid;
        else if(V[0] == 0) s = mid;
        else if(V[1] == 0) e = mid;
        cnt++;
        assert(cnt < 10000);
    }
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type]
   21 | }
      | ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 272 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 280 KB Output is correct
9 Correct 1 ms 272 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Runtime error 90 ms 320 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -