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CF_1614A - Divan and a Store.java
124 lines (111 loc) · 3.42 KB
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CF_1614A - Divan and a Store.java
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import java.io.DataInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
public class Main extends FastInput {
private int solve() throws Exception{
int n = nextInt();
int l = nextInt();
int r = nextInt();
int k = nextInt();
ArrayList<Integer> arr = new ArrayList<>();
while (n-->0) {
int a = nextInt();
if (a < l || a > r) continue;
arr.add(a);
}
Collections.sort(arr);
int cnt = 0;
for (int i = 0; i < arr.size(); i++) {
k -= arr.get(i);
if (k < 0) break;
cnt++;
}
return cnt;
}
private void solution() throws Exception {
int t = nextInt();
StringBuilder sb = new StringBuilder();
while (t-->0) {
sb.append(solve()).append('\n');
}
System.out.print(sb);
}
public static void main(String[] args) throws Exception {
initFI();
new Main().solution();
}
}
class FastInput {
private static final int DEFAULT_BUFFER_SIZE = 1 << 16;
private static final int MAX_CHAR_LEN_FOR_NEXT_LINE = 80;
private static DataInputStream inputStream;
private static byte[] buffer;
private static int curIdx, maxIdx;
protected static void initFI() {
inputStream = new DataInputStream(System.in);
buffer = new byte[DEFAULT_BUFFER_SIZE];
curIdx = maxIdx = 0;
}
protected static String nextLine() throws IOException {
byte[] buf = new byte[MAX_CHAR_LEN_FOR_NEXT_LINE];
int cnt = 0, c;
while ((c = read()) != -1) {
if (c == '\n') {
if (cnt != 0) break;
continue;
}
buf[cnt++] = (byte)c;
}
return new String(buf, 0, cnt);
}
protected static int nextInt() throws IOException {
int ret = 0;
byte c = read();
while (c <= ' ') c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10 + c - '0';
} while ((c = read()) >= '0' && c <= '9');
if (neg) return -ret;
return ret;
}
protected static long nextLong() throws IOException {
long ret = 0;
byte c = read();
while (c <= ' ') c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10 + c - '0';
} while ((c = read()) >= '0' && c <= '9');
if (neg) return -ret;
return ret;
}
protected static double nextDouble() throws IOException {
double ret = 0, div = 1;
byte c = read();
while (c <= ' ') c = read();
boolean neg = (c == '-');
if (neg) c = read();
do {
ret = ret * 10 + c - '0';
} while ((c = read()) >= '0' && c <= '9');
if (c == '.') while ((c = read()) >= '0' && c <= '9') ret += (c - '0') / (div *= 10);
if (neg) return -ret;
return ret;
}
protected static char nextChar() throws IOException {
byte c = read();
while (c <= ' ') c = read();
return (char)c;
}
private static byte read() throws IOException {
if (curIdx == maxIdx) {
maxIdx = inputStream.read(buffer, curIdx = 0, DEFAULT_BUFFER_SIZE);
if (maxIdx == -1) buffer[0] = -1;
}
return buffer[curIdx++];
}
}