結果
問題 | No.634 硬貨の枚数1 |
ユーザー | kitakitalily |
提出日時 | 2019-05-16 22:03:34 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,367 bytes |
コンパイル時間 | 2,445 ms |
コンパイル使用メモリ | 77,652 KB |
実行使用メモリ | 60,752 KB |
最終ジャッジ日時 | 2024-09-17 05:40:51 |
合計ジャッジ時間 | 14,720 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge6 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 125 ms
58,340 KB |
testcase_01 | AC | 129 ms
58,452 KB |
testcase_02 | AC | 131 ms
58,540 KB |
testcase_03 | WA | - |
testcase_04 | AC | 132 ms
58,304 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 130 ms
58,368 KB |
testcase_09 | AC | 130 ms
58,624 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 132 ms
58,468 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | AC | 131 ms
58,436 KB |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | AC | 131 ms
58,508 KB |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
ソースコード
import java.util.*; public class Main { static int mod = 1000000007; static int size = 200000; static long[] fac = new long[size]; static long[] finv = new long[size]; static long[] inv = new long[size]; static int INF = Integer.MAX_VALUE; public static void main(String[] args){ Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); long[] coin = new long[1010]; for(int i = 0; i < 1010; i++){ coin[i] = (i+1)*(i+2)/2; } int count = 0; while(n > 0){ int index = upperBound(coin, n); n -= coin[index-1]; count++; } System.out.println(count); //System.out.println(coin[1]); } static class Pair implements Comparable<Pair>{ int x, y; Pair(int a, int b){ x = a; y = b; } @Override public boolean equals(Object o){ if (this == o) return true; if (!(o instanceof Pair)) return false; Pair p = (Pair) o; return x == p.x && y == p.y; } @Override public int compareTo(Pair p){ //return x == p.x ? y - p.y : x - p.x; //xで昇順にソート //return (x == p.x ? y - p.y : x - p.x) * -1; //xで降順にソート //return y == p.y ? x - p.x : y - p.y;//yで昇順にソート return (y == p.y ? x - p.x : y - p.y)*-1;//yで降順にソート } } //繰り返し二乗法 public static long pow(long x, long n){ long ans = 1; while(n > 0){ if((n & 1) == 1){ ans = ans * x; ans %= mod; } x = x * x % mod; n >>= 1; } return ans; } //fac, inv, finvテーブルの初期化、これ使う場合はinitComb()で初期化必要 public static void initComb(){ fac[0] = finv[0] = inv[0] = fac[1] = finv[1] = inv[1] = 1; for (int i = 2; i < size; ++i) { fac[i] = fac[i - 1] * i % mod; inv[i] = mod - (mod / i) * inv[(int) (mod % i)] % mod; finv[i] = finv[i - 1] * inv[i] % mod; } } //nCk % mod public static long comb(int n, int k){ return fac[n] * finv[k] % mod * finv[n - k] % mod; } //n! % mod public static long fact(int n){ return fac[n]; } //(n!)^-1 with % mod public static long finv(int n){ return finv[n]; } static class UnionFind { int[] parent; public UnionFind(int size) { parent = new int[size]; Arrays.fill(parent, -1); } public boolean unite(int x, int y) { x = root(x); y = root(y); if (x != y) { if (parent[y] < parent[x]) { int tmp = y; y = x; x = tmp; } parent[x] += parent[y]; parent[y] = x; return true; } return false; } public boolean same(int x, int y) { return root(x) == root(y); } public int root(int x) { return parent[x] < 0 ? x : (parent[x] = root(parent[x])); } public int size(int x) { return -parent[root(x)]; } } public static int upperBound(long[] array, long value) { int low = 0; int high = array.length; int mid; while( low < high ) { mid = ((high - low) >>> 1) + low; // (high + low) / 2 if( array[mid] <= value ) { low = mid + 1; } else { high = mid; } } return low; } //n,mの最大公約数 public static int gcd(int n, int m){ if(m > n) return gcd(m,n); if(m == 0) return n; return gcd(m, n%m); } }