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Submission #945707

# Submission time Handle Problem Language Result Execution time Memory
945707 2024-03-14T06:34:42 Z jakebrain88 Snake (CEOI08_snake) C++17
0 / 100
 1 ms 440 KB 
#include "snakelib.h"
#include<bits/stdc++.h>
using namespace std;
int k;
char a1, a2;
int main(){
	int l,r,minLen,maxLen,mid1,mid2;
    k= get_speed();
    minLen=1;maxLen=12122;
    l=0;r=12122;    
    for(int i=1;i<=30;++i){
		mid1 = l + (r-l)/3;
		mid2=r - (r-l)/3;
		ask_snake(mid1,mid2,&a1,&a2);
        if(a1=='f'){
        	if(a2=='f') maxLen=mid2-l,r=mid2+k-1;
        	if(a2=='s')minLen=mid2-mid1+2,maxLen=mid2-l,r=mid2+k;
        	if(a2=='b')minLen=mid2-mid1+3,r+=k;        	
		}
		if(a1=='s'){
			if(a2=='s'){
				tell_length(minLen=r-l+1);
				
				return 0;
			}
			l=mid1;
			if(a2=='f')maxLen=mid2-l,r=mid2+k-1;
			if(a2=='b')maxLen=r-mid1+1,r=mid2+k;
			
		}
		
		if(a1=='b'){
			l=mid1+1;
			if(a2=='f')maxLen=mid2-mid1-1,r=mid2+k-1;
        	if(a2=='s')maxLen=mid2-mid1,r=mid2+k;
        	if(a2=='b')minLen=r-mid1+1,r+=k;  
		}
    }
    int guess=(maxLen+minLen)/2;
    tell_length(guess);
    return 0;
}

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 432 KB Execution killed with signal 13
2 Runtime error 0 ms 432 KB Execution killed with signal 13
3 Runtime error 0 ms 436 KB Execution killed with signal 13
4 Runtime error 0 ms 436 KB Execution killed with signal 13
5 Runtime error 0 ms 432 KB Execution killed with signal 13
6 Runtime error 0 ms 432 KB Execution killed with signal 13
7 Runtime error 0 ms 436 KB Execution killed with signal 13
8 Runtime error 0 ms 440 KB Execution killed with signal 13
9 Runtime error 0 ms 436 KB Execution killed with signal 13
10 Runtime error 0 ms 436 KB Execution killed with signal 13
11 Runtime error 0 ms 436 KB Execution killed with signal 13
12 Runtime error 1 ms 432 KB Execution killed with signal 13
13 Runtime error 0 ms 436 KB Execution killed with signal 13
14 Runtime error 0 ms 436 KB Execution killed with signal 13
15 Runtime error 0 ms 436 KB Execution killed with signal 13
16 Runtime error 0 ms 440 KB Execution killed with signal 13
17 Runtime error 0 ms 436 KB Execution killed with signal 13
18 Runtime error 0 ms 436 KB Execution killed with signal 13
19 Runtime error 1 ms 436 KB Execution killed with signal 13
20 Runtime error 0 ms 432 KB Execution killed with signal 13