結果
問題 | No.2989 Fibonacci Prize |
ユーザー | ygussany |
提出日時 | 2024-12-14 01:35:40 |
言語 | C (gcc 12.3.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,386 bytes |
コンパイル時間 | 544 ms |
コンパイル使用メモリ | 32,512 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-12-14 01:35:43 |
合計ジャッジ時間 | 2,609 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | RE | - |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 1 ms
5,248 KB |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | RE | - |
testcase_61 | RE | - |
testcase_62 | RE | - |
testcase_63 | RE | - |
testcase_64 | WA | - |
testcase_65 | AC | 1 ms
5,248 KB |
testcase_66 | AC | 1 ms
5,248 KB |
testcase_67 | RE | - |
testcase_68 | AC | 1 ms
5,248 KB |
testcase_69 | AC | 1 ms
5,248 KB |
testcase_70 | AC | 1 ms
5,248 KB |
testcase_71 | RE | - |
testcase_72 | AC | 1 ms
5,248 KB |
testcase_73 | AC | 1 ms
5,248 KB |
testcase_74 | AC | 1 ms
5,248 KB |
testcase_75 | RE | - |
testcase_76 | AC | 1 ms
5,248 KB |
testcase_77 | AC | 1 ms
5,248 KB |
testcase_78 | AC | 1 ms
5,248 KB |
testcase_79 | RE | - |
コンパイルメッセージ
main.c: In function 'solve': main.c:36:9: warning: implicit declaration of function 'exit' [-Wimplicit-function-declaration] 36 | exit(-1); | ^~~~ main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'exit' 1 | #include <stdio.h> +++ |+#include <stdlib.h> 2 | main.c:36:9: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch] 36 | exit(-1); | ^~~~ main.c:36:9: note: include '<stdlib.h>' or provide a declaration of 'exit'
ソースコード
#include <stdio.h> int naive(int N, int M) { int i; static __int128 F[1001]; for (i = 3, F[1] = 1, F[2] = 1; i <= M; i++) F[i] = F[i-1] + F[i-2]; int ans = 0, l, r; __int128 sum; for (l = 1; l <= M; l++) { for (r = l; r <= M; r++) { for (i = l, sum = 0; i <= r; i++) { sum += F[i]; if (sum > F[M]) break; } if (i > r && sum % N == 0) ans++; } } return ans; } long long solve(int N, int M) { if (M == 1) { if (N == 1) return 1; else return 0; } else if (M == 2) { if (N == 1) return 2; else return 0; } else if (M == 3) { if (N == 1) return 4; else if (N == 2) return 2; else return 0; } exit(-1); if (N == 1) return (long long)(M - 2) * (M - 1) / 2 + 3; int i, cur, prev, F[2], sum = 2 % N, flag = 0; static int num[200001], tmp[200001]; for (i = 0; i < N; i++) { num[i] = 0; tmp[i] = 0; } num[0]++; num[1]++; num[sum]++; for (i = 3, F[0] = 1, F[1] = 1, cur = 1, prev = 0; i <= M - 2; i++, cur ^= 1, prev ^= 1) { F[prev] += F[cur]; if (F[prev] >= N) F[prev] -= N; if (sum == 0 && F[prev] == 0 && F[cur] == 1) { if (flag == 0) flag = i; else { flag = i - flag; break; } } sum += F[prev]; if (sum >= N) sum -= N; num[sum]++; if (flag > 0) tmp[sum]++; } if (i <= M - 2) { int j, k = (M - 2 - i) / flag; for (j = 0; j < N; j++) num[j] += k * tmp[j]; i += k * flag; for (num[sum]++, i++, cur ^= 1, prev ^= 1; i <= M - 2; i++, cur ^= 1, prev ^= 1) { F[prev] += F[cur]; if (F[prev] >= N) F[prev] -= N; sum += F[prev]; if (sum >= N) sum -= N; num[sum]++; } } long long ans = 0; for (i = 0; i < N; i++) ans += (long long)num[i] * (num[i] - 1) / 2; F[prev] += F[cur]; if (F[prev] >= N) F[prev] -= N; if (F[prev] == 0) ans++; if ((F[prev] + F[cur]) % N == 0) ans += 2; return ans; } #define MT_N 624 #define MT_M 397 #define MT_MATRIX_A 0x9908b0dfUL #define MT_UPPER_MASK 0x80000000UL #define MT_LOWER_MASK 0x7fffffffUL static unsigned int mt[MT_N]; static int mti = MT_N + 1; void init_genrand(unsigned int s) { mt[0] = s & 0xffffffffUL; for (mti = 1; mti < MT_N; mti++) { mt[mti] = (1812433253UL * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti); mt[mti] &= 0xffffffffUL; } } unsigned int genrand() { unsigned int y; static unsigned int mag01[2] = {0x0UL, MT_MATRIX_A}; if (mti >= MT_N) { int kk; if (mti == MT_N + 1) init_genrand(5489UL); for (kk = 0; kk < MT_N - MT_M; kk++) { y = (mt[kk] & MT_UPPER_MASK) | (mt[kk+1] & MT_LOWER_MASK); mt[kk] = mt[kk+MT_M] ^ (y >> 1) ^ mag01[y&0x1UL]; } for (; kk < MT_N - 1; kk++) { y = (mt[kk] & MT_UPPER_MASK) | (mt[kk+1] & MT_LOWER_MASK); mt[kk] = mt[kk+(MT_M-MT_N)] ^ (y >> 1) ^ mag01[y&0x1UL]; } y = (mt[MT_N-1] & MT_UPPER_MASK) | (mt[0] & MT_LOWER_MASK); mt[MT_N-1] = mt[MT_M-1] ^ (y >> 1) ^ mag01[y&0x1UL]; mti = 0; } y = mt[mti++]; y ^= (y >> 11); y ^= (y << 7) & 0x9d2c5680UL; y ^= (y << 15) & 0xefc60000UL; y ^= (y >> 18); return y; } int main() { int N, M; scanf("%d %d", &N, &M); printf("%lld\n", solve(N, M)); /* for (N = 1; N <= 10; N++) { for (M = 1; M <= 160; M++) { if (solve(N, M) != naive(N, M)) printf("%d %d %lld %d\n", N, M, solve(N, M), naive(N, M)); } } */ fflush(stdout); return 0; }