Submission #4421262
Source Code Expand
#include <stdio.h> #define int long long #define p (int)(1e9 + 7) int MOD(int a){ a %= p; return a >= 0 ? a : a + p; } int power(int a, int N){ if(N == 0){ return 1; } else if(N % 2 == 0){ return power(MOD(a * a), N / 2); } else{ return MOD(a * power(a, N - 1)); } } int inverse(int a){ return power(a, p - 2); } int comb(int N, int k){ if(k == 0){ return 1; } else{ return MOD(MOD(N * inverse(k)) * comb(N - 1, k - 1)); } } signed main(){ int N, M, i, j, ans; scanf("%lld%lld", &N, &M); if(N < 0){ N = -N; } ans = power(2, M - 1); for(i = 2; i * i <= N; i++){ for(j = 0; N % i == 0; j++, N /= i); ans = MOD(ans * comb(M - 1 + j, j)); } if(N > 1){ ans = MOD(ans * M); } printf("%lld\n", ans); return 0; }
Submission Info
Submission Time | |
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Task | D - 表現の自由 ( Freedom of expression ) |
User | abc050 |
Language | C (GCC 5.4.1) |
Score | 100 |
Code Size | 801 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.c: In function ‘main’: ./Main.c:37:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &N, &M); ^
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
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Set Name | Test Cases |
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All | 00_max.txt, 00_max2.txt, 00_max3.txt, 00_min.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 01_rnd_20.txt, 01_rnd_21.txt, 01_rnd_22.txt, 01_rnd_23.txt, 01_rnd_24.txt, 01_rnd_25.txt, 01_rnd_26.txt, 01_rnd_27.txt, 01_rnd_28.txt, 01_rnd_29.txt, 04_primes_01.txt, 04_primes_02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_max.txt | AC | 1 ms | 128 KB |
00_max2.txt | AC | 1 ms | 128 KB |
00_max3.txt | AC | 1 ms | 128 KB |
00_min.txt | AC | 1 ms | 128 KB |
00_sample_01.txt | AC | 1 ms | 128 KB |
00_sample_02.txt | AC | 1 ms | 128 KB |
00_sample_03.txt | AC | 1 ms | 128 KB |
00_sample_04.txt | AC | 1 ms | 128 KB |
01_rnd_00.txt | AC | 1 ms | 128 KB |
01_rnd_01.txt | AC | 1 ms | 128 KB |
01_rnd_02.txt | AC | 1 ms | 128 KB |
01_rnd_03.txt | AC | 1 ms | 128 KB |
01_rnd_04.txt | AC | 1 ms | 128 KB |
01_rnd_05.txt | AC | 1 ms | 128 KB |
01_rnd_06.txt | AC | 1 ms | 128 KB |
01_rnd_07.txt | AC | 1 ms | 128 KB |
01_rnd_08.txt | AC | 1 ms | 128 KB |
01_rnd_09.txt | AC | 1 ms | 128 KB |
01_rnd_10.txt | AC | 1 ms | 128 KB |
01_rnd_11.txt | AC | 1 ms | 128 KB |
01_rnd_12.txt | AC | 1 ms | 128 KB |
01_rnd_13.txt | AC | 1 ms | 128 KB |
01_rnd_14.txt | AC | 1 ms | 128 KB |
01_rnd_15.txt | AC | 1 ms | 128 KB |
01_rnd_16.txt | AC | 1 ms | 128 KB |
01_rnd_17.txt | AC | 1 ms | 128 KB |
01_rnd_18.txt | AC | 1 ms | 128 KB |
01_rnd_19.txt | AC | 1 ms | 128 KB |
01_rnd_20.txt | AC | 1 ms | 128 KB |
01_rnd_21.txt | AC | 1 ms | 128 KB |
01_rnd_22.txt | AC | 1 ms | 128 KB |
01_rnd_23.txt | AC | 1 ms | 128 KB |
01_rnd_24.txt | AC | 1 ms | 128 KB |
01_rnd_25.txt | AC | 1 ms | 128 KB |
01_rnd_26.txt | AC | 1 ms | 128 KB |
01_rnd_27.txt | AC | 1 ms | 128 KB |
01_rnd_28.txt | AC | 1 ms | 128 KB |
01_rnd_29.txt | AC | 1 ms | 128 KB |
04_primes_01.txt | AC | 1 ms | 128 KB |
04_primes_02.txt | AC | 1 ms | 128 KB |