Submission #244367

#	Time	Username	Problem	Language	Result	Execution time	Memory
244367		TadijaSebez	Worm Worries (BOI18_worm)	C++11	10 / 100	6 ms	384 KiB

worm

#include <bits/stdc++.h>
using namespace std;
int Ask(int i,int j,int k){
	printf("? %i %i %i\n",i,j,k);
	fflush(stdout);
	int b;scanf("%i",&b);
	return b;
}
int main(){
	int n,m,k,q;scanf("%i %i %i %i",&n,&m,&k,&q);
	int top=n,bot=1,mid;
	while(top>bot){
		mid=top+bot>>1;
		if(Ask(mid,1,1)<Ask(mid+1,1,1))bot=mid+1;
		else top=mid;
	}
	printf("! %i 1 1\n",bot);
	fflush(stdout);
	return 0;
}

Compilation message (stderr)

worm.cpp: In function 'int main()':
worm.cpp:13:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   mid=top+bot>>1;
       ~~~^~~~
worm.cpp: In function 'int Ask(int, int, int)':
worm.cpp:6:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int b;scanf("%i",&b);
        ~~~~~^~~~~~~~~
worm.cpp: In function 'int main()':
worm.cpp:10:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n,m,k,q;scanf("%i %i %i %i",&n,&m,&k,&q);
              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 22
• Subtask 3: 0 / 12
• Subtask 4: 0 / 19
• Subtask 5: 0 / 14
• Subtask 6: 0 / 23