結果
| 問題 | No.50 おもちゃ箱 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-09-15 03:11:37 |
| 言語 | C (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,800 bytes |
| 記録 | |
| コンパイル時間 | 819 ms |
| コンパイル使用メモリ | 33,920 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-06-27 23:23:24 |
| 合計ジャッジ時間 | 1,362 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 3 |
| other | AC * 3 WA * 35 |
コンパイルメッセージ
main.c: In function 'in':
main.c:28:14: warning: implicit declaration of function 'getchar_unlocked' [-Wimplicit-function-declaration]
28 | while (c = getchar_unlocked(), c < 48 || c > 57) if (c == 45) f = -f;
| ^~~~~~~~~~~~~~~~
main.c: In function 'out':
main.c:47:5: warning: implicit declaration of function 'putchar_unlocked' [-Wimplicit-function-declaration]
47 | putchar_unlocked('-');
| ^~~~~~~~~~~~~~~~
main.c: In function 'main':
main.c:142:11: warning: passing argument 1 of 'radix32' from incompatible pointer type [-Wincompatible-pointer-types]
142 | radix32(B, M);
| ^
| |
| u64 * {aka long unsigned int *}
main.c:61:26: note: expected 'i32 *' {aka 'int *'} but argument is of type 'u64 *' {aka 'long unsigned int *'}
61 | static void radix32(i32 *a, const i32 sz) {
| ~~~~~^
main.c:143:7: warning: passing argument 1 of 'rev' from incompatible pointer type [-Wincompatible-pointer-types]
143 | rev(B, M);
| ^
| |
| u64 * {aka long unsigned int *}
main.c:126:15: note: expected 'i32 *' {aka 'int *'} but argument is of type 'u64 *' {aka 'long unsigned int *'}
126 | void rev(i32 *a, const i32 sz) {
| ~~~~~^
ソースコード
#include <assert.h>
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* signed integer */
typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
typedef __int128_t i128;
/* unsigned integer */
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef __uint128_t u128;
static inline i64 in(void) {
i64 x = 0;
i64 f = 1;
i64 c;
while (c = getchar_unlocked(), c < 48 || c > 57) if (c == 45) f = -f;
while (47 < c && c < 58) {
x = x * 10 + c - 48;
c = getchar_unlocked();
}
return f * x;
}
static inline u64 inU(void) {
u64 x = 0;
u64 c;
while (c = getchar_unlocked(), c < 48 || c > 57);
while (47 < c && c < 58) {
x = x * 10 + c - 48;
c = getchar_unlocked();
}
return x;
}
static inline void out(i64 x) {
if (x < 0) {
putchar_unlocked('-');
x = -x;
}
if (x >= 10) out(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void outU(u64 x) {
if (x >= 10) outU(x / 10);
putchar_unlocked(x - x / 10 * 10 + 48);
}
static inline void nl(void) { putchar_unlocked('\n'); }
static inline void sp(void) { putchar_unlocked(' '); }
static void radix32(i32 *a, const i32 sz) {
i32 shift = 0;
i32 elem[0x100];
i32 *aux = (i32 *)malloc(sizeof(i32) * sz);
i64 x = 0;
if (aux == NULL) { exit(EXIT_FAILURE); }
while (shift < 32) {
i32 bucket[0x100] = {0};
for (i32 i = 0; i < sz; i++) {
x = (a[i] >> shift) & 0xff;
bucket[x]++;
aux[i] = a[i];
}
elem[0] = 0;
for (i32 i = 0; i < 0xff; i++) { elem[i + 1] = elem[i] + bucket[i]; }
for (i32 i = 0; i < sz; i++) {
x = (aux[i] >> shift) & 0xff;
a[elem[x]] = aux[i];
elem[x]++;
}
shift += 8;
}
free(aux);
}
static void radix64(i64 *a, const i64 sz, const i64 minus) {
i64 shift = 0;
i64 sw = 0;
i64 elem[0x10000];
i64 *aux = (i64 *)malloc(sizeof(i64) * sz);
i128 x = 0;
if (aux == NULL) { exit(EXIT_FAILURE); }
while (shift < 64) {
i64 bucket[0x10000] = {0};
for (i64 i = 0; i < sz; i++) {
x = (a[i] >> shift) & 0xffff;
bucket[x]++;
aux[i] = a[i];
}
elem[0] = 0;
for (i64 i = 0; i < 0xffff; i++) { elem[i + 1] = elem[i] + bucket[i]; }
for (i64 i = 0; i < sz; i++) {
x = (aux[i] >> shift) & 0xffff;
a[elem[x]] = aux[i];
elem[x]++;
}
shift += 16;
}
free(aux);
for (i64 i = 0; i < (minus >> 1); i++) {
sw = a[sz - minus + i];
a[sz - minus + i] = a[sz - 1 - i];
a[sz - 1 - i] = sw;
}
for (i64 i = 0; i < ((sz - minus) >> 1); i++) {
sw = a[i];
a[i] = a[sz - minus - 1 - i];
a[sz - minus - 1 - i] = sw;
}
for (i64 i = 0; i < (sz >> 1); i++) {
sw = a[i];
a[i] = a[sz - 1 - i];
a[sz - 1 - i] = sw;
}
}
void rev(i32 *a, const i32 sz) {
for (int i = 0; i < (sz >> 1); i++) {
a[i] ^= a[sz - i] ^= a[i] ^= a[sz - i];
}
}
bool dp1[1<<10];
bool dp2[1<<10];
int main() {
u64 u;
u64 A[11], B[11];
u64 N = inU();
for (u = 0; u < N; u++) A[u] = in();
u64 M = inU();
for (u = 0; u < M; u++) B[u] = in();
radix32(B, M);
rev(B, M);
dp1[0] = true;
for (int i = 0; i < M; i++) {
for (int j = 0; j < (1 << N); j++) {
int c = 0;
for (int k = 0; k < N; k++) {
if ((j >> k) % 2 == 0) continue;
c += A[k];
}
if (c > B[i]) continue;
for (int k = (1 << N) - 1; k >= 0; k--) {
dp2[j | k] |= dp1[k];
}
for (int k = (1 << N) - 1; k >= 0; k--) {
dp1[k] = dp2[k];
}
if (dp1[(1 << N) - 1]) {
out(i + 1);
nl();
return 0;
}
}
}
out(-1);
nl();
return 0;
}