Submission #3471

#	Time	Username	Problem	Language	Result	Execution time	Memory
3471		pl0892029	Jogging (kriii1_J)	C++98	0 / 1	1000 ms	3224 KiB

J

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main(void){

	int n, m; // n은 별의 (x, y) 개수
			// m은 휴식 취하는 x좌표(z) 개수
	scanf("%d %d", &n, &m);
	int *x = (int *)malloc(sizeof(int)*n);
	int *y = (int *)malloc(sizeof(int)*n);
	int *z = (int *)malloc(sizeof(int)*m);
	double *res = (double *) malloc(sizeof(double)*m);
	for(int i=0; i<n; i++){
		scanf("%d %d", &x[i], &y[i]);
	}
	for(int i=0; i<m; i++){
		scanf("%d", &z[i]);
		double max = 0.0000000;
		for(int j=n-1; j>=0; j--){
			if(z[i] <= x[j]){
				res[i] = atan((double)y[j] / (x[j] - z[i]));
				// printf("%lf\n", res[i]);
				if(res[i]>max){
					max=res[i];
				}
			} else{
				res[i] = max;
				break;
			}
		}
		res[i] = max;
	}

	for(int i=0; i<m; i++){
		printf("%.7lf\n", res[i]);
	}
	
	// while(true);



}

• Subtask 1: 0 / 1