Submission #3812

#	Time	Username	Problem	Language	Result	Execution time	Memory
3812		joonas	Jogging (kriii1_J)	C++98	0 / 1	1000 ms	2004 KiB

J

#include <stdio.h>
#include <cmath>

int Nx[100500], Ny[100500], M;
int main(){
	int i,j, n, m;
	scanf("%d %d ", &n, &m);
	for(i=0; i < n; ++i) scanf("%d %d ", &Nx[i], &Ny[i]);
	for(i=0; i < m; ++i){
		scanf("%d", &M);
		double rad=0.0;
		for(j=0; j < n; ++j){
			if( Nx[j] > M ){
				double dw = Nx[j]-M, dh = Ny[j];
				double ds = sqrt(pow(dw,2)+pow(dh,2));
				double _r = asin(dh/ds);
				if( _r > rad ) rad = _r;
			}
		}
		printf("%.7f\n", rad);
	}
	
	return 0;
}

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