Submission #2077127
Source Code Expand
import java.util.*; public class Main { Scanner sc = new Scanner(System.in); void doIt() { int N = sc.nextInt(); int H = sc.nextInt(); int [] as = new int[N]; int [] bs = new int[N]; for(int i = 0; i < N; i++) { int a = sc.nextInt(), b = sc.nextInt(); as[i] = a; bs[i] = b; } Arrays.sort(as); Arrays.sort(bs); int amax = as[N-1]; int sum = 0; int cnt = 0; for(int i = N-1; i >= 0; i--) { if(bs[i] <= amax) { break; } sum += bs[i]; cnt++; if(sum >= H) { break; } } int rem = H - sum; if(rem > 0) cnt += (rem + amax - 1) / amax; // System.out.print("Answer="); System.out.println(cnt); } public static void main(String args[]) { new Main().doIt(); } }
Submission Info
Submission Time | |
---|---|
Task | D - Katana Thrower |
User | kmatsunaga |
Language | Java8 (OpenJDK 1.8.0) |
Score | 400 |
Code Size | 977 Byte |
Status | AC |
Exec Time | 596 ms |
Memory | 81876 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | a01, a02, a03, a04 |
All | a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 94 ms | 19408 KB |
a02 | AC | 95 ms | 21716 KB |
a03 | AC | 95 ms | 21588 KB |
a04 | AC | 95 ms | 20048 KB |
b05 | AC | 92 ms | 18644 KB |
b06 | AC | 573 ms | 62992 KB |
b07 | AC | 94 ms | 21076 KB |
b08 | AC | 592 ms | 63804 KB |
b09 | AC | 93 ms | 18644 KB |
b10 | AC | 94 ms | 17748 KB |
b11 | AC | 93 ms | 19796 KB |
b12 | AC | 94 ms | 21460 KB |
b13 | AC | 476 ms | 63768 KB |
b14 | AC | 473 ms | 61728 KB |
b15 | AC | 522 ms | 62148 KB |
b16 | AC | 472 ms | 60284 KB |
b17 | AC | 560 ms | 64820 KB |
b18 | AC | 529 ms | 62336 KB |
b19 | AC | 508 ms | 64676 KB |
b20 | AC | 508 ms | 62036 KB |
b21 | AC | 596 ms | 81876 KB |
b22 | AC | 561 ms | 62584 KB |
b23 | AC | 100 ms | 21332 KB |
b24 | AC | 162 ms | 26016 KB |