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Submission #228109

# Submission time Handle Problem Language Result Execution time Memory
228109 2020-04-30T00:34:34 Z jzh Lost in the cycle (IOI19_cycle) C++14
33 / 100
 5 ms 384 KB 
#include "cycle.h"
#include <bits/stdc++.h>
using namespace std;
void escape (int n){
    int hi=n-1,lo=0,mid,x=0,y;
    bool b,b1;
    b1 = jump(0);
    while (hi>lo){
        mid = lo + (hi-lo)/2 + (hi-lo)%2;
        //cout<<mid<<' '<<x;
        y = mid-x;
        if (y<0)y+=n;
        x+=y;//i.e. x = mid
        x%=n;
        //cout<<' '<<x<<' '<<y<<'\n';
        if (jump(y)){
            lo = mid;
            b = true;
        }
        else {
            hi = mid-1;
            b = false;
        }
        //cout<<"Bool: "<<b<<'\n';
    }
    //cout<<lo<<' '<<x<<'\n';
    if (lo == n-1 && b1){
        jump(1);
    }
    else if (lo<x){
        jump(n-1);
    }
    else if (lo>x){
        jump(1);
    }
    
}

Compilation message

cycle.cpp: In function 'void escape(int)':
cycle.cpp:6:10: warning: variable 'b' set but not used [-Wunused-but-set-variable]
     bool b,b1;
          ^

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 4 ms 256 KB The exit was not found.
3 Halted 0 ms 0 KB -

Subtask #2
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct

Subtask #3
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 4 ms 256 KB The exit was not found.
3 Halted 0 ms 0 KB -