oj.uz

Submission #754532

# Submission time Handle Problem Language Result Execution time Memory
754532 2023-06-07T23:17:24 Z ValiAntonie Hotter Colder (IOI10_hottercolder) C++14
50 / 100
 509 ms 8104 KB 
#include "grader.h"
#include<bits/stdc++.h>
using namespace std;
 
int Guess (int x);
 
int HC(int N){
int st=1,dr=N;
Guess(st);
int a = Guess(dr);
int prev = -1;
while(st!=dr){
	int mij = (st+ dr) >> 1;
	if(a==-1){
		dr= mij;
    if(st != dr){
	Guess(st);
	a = Guess(dr);
	}
	}
	else if(a==1){//close to l
		st = mij + 1;
    if(st != dr){
	Guess(st);
	a = Guess(dr);
	}
	}
	else return mij;
}
return st;
}

Compilation message

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:11:5: warning: unused variable 'prev' [-Wunused-variable]
   11 | int prev = -1;
      |     ^~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1288 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1296 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 1296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 509 ms 8104 KB Output isn't correct - alpha = 0.000000000000