(SPOJ) 8783 - Telescópio - Solução
import java.io.*;
import java.util.*;
class Main {
public static void main(String[] args) throws NumberFormatException, IOException {
Main processando = new Main();
processando.processa();
System.exit(0);
}
static int leitor(BufferedReader br) throws NumberFormatException, IOException {
int n;
int resp = 0;
while (true) {
n = br.read();
if (n >= '0' && n <= '9') {
break;
}
}
while (true) {
resp = resp*10 + n-'0';
n = br.read();
if (n < '0' || n > '9') {
break;
}
}
return resp;
}
void processa() throws NumberFormatException, IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int areaAberturaTelescopio = leitor(br);
int qteEstrelas = leitor(br);
int estrelasPercebidas = 0;
for (int i = 0; i < qteEstrelas; i++) {
int qteFoton = leitor(br);
if (qteFoton*areaAberturaTelescopio >= 40000000) {
estrelasPercebidas++;
}
}
bw.write(estrelasPercebidas + "\n");
bw.flush();
bw.close();
return;
}
}
import java.util.*;
class Main {
public static void main(String[] args) throws NumberFormatException, IOException {
Main processando = new Main();
processando.processa();
System.exit(0);
}
static int leitor(BufferedReader br) throws NumberFormatException, IOException {
int n;
int resp = 0;
while (true) {
n = br.read();
if (n >= '0' && n <= '9') {
break;
}
}
while (true) {
resp = resp*10 + n-'0';
n = br.read();
if (n < '0' || n > '9') {
break;
}
}
return resp;
}
void processa() throws NumberFormatException, IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int areaAberturaTelescopio = leitor(br);
int qteEstrelas = leitor(br);
int estrelasPercebidas = 0;
for (int i = 0; i < qteEstrelas; i++) {
int qteFoton = leitor(br);
if (qteFoton*areaAberturaTelescopio >= 40000000) {
estrelasPercebidas++;
}
}
bw.write(estrelasPercebidas + "\n");
bw.flush();
bw.close();
return;
}
}
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