Submission #742421

#	Time	Username	Problem	Language	Result	Execution time	Memory
742421		jamezzz	Worm Worries (BOI18_worm)	C++17	0 / 100	1350 ms	208 KiB

worm

#include <bits/stdc++.h>
using namespace std;

#define sf scanf
#define pf printf

int ask(int a,int b,int c){
	pf("? %d %d %d\n",a,b,c);
	fflush(stdout);
	int x;sf("%d",&x);
	return x;
}

void submit(int a,int b,int c){
	pf("! %d %d %d\n",a,b,c);
	fflush(stdout);
	exit(0);
}

int n,m,k,q;
mt19937 rng(time(0));

int main(){
	sf("%d%d%d%d",&n,&m,&k,&q);
	tuple<int,int,int,int> ans={0,0,0,0};
	for(int i=0;i<q;++i){
		int x=rng()%n+1,y=rng()%m+1,z=rng()%k+1;
		ans=max(ans,{ask(x,y,z),x,y,z});
	}
	auto[_,x,y,z]=ans;
	submit(x,y,z);
}

Compilation message (stderr)

worm.cpp: In function 'int ask(int, int, int)':
worm.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  int x;sf("%d",&x);
      |          ^
worm.cpp: In function 'int main()':
worm.cpp:24:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |  sf("%d%d%d%d",&n,&m,&k,&q);
      |    ^

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