Submission #1623990
Source Code Expand
#include <cstdio> #include <cstdint> int main() { int N, P; scanf("%d %d", &N, &P); int A[2]={}; for (int i=0; i<N; ++i) { int a; scanf("%d", &a); ++A[a&1]; } int ncr[51][51]={}; ncr[0][0] = 1; for (int i=1; i<=50; ++i) { ncr[i][0] = ncr[i][i] = 1; for (int j=1; j<i; ++j) ncr[i][j] = ncr[i-1][j-1] + ncr[i-1][j]; } intmax_t res=0; for (int i=P; i<=A[1]; i+=2) res += ncr[A[1]][i]; printf("%jd\n", res<<A[0]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Biscuits |
User | rsk0315 |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 512 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:6:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &P); ^ ./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt, sample4.txt |
All | sample1.txt, sample2.txt, sample3.txt, sample4.txt, in1.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, sample1.txt, sample2.txt, sample3.txt, sample4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 1 ms | 128 KB |
in2.txt | AC | 1 ms | 128 KB |
in3.txt | AC | 1 ms | 128 KB |
in4.txt | AC | 1 ms | 128 KB |
in5.txt | AC | 1 ms | 128 KB |
in6.txt | AC | 1 ms | 128 KB |
in7.txt | AC | 1 ms | 128 KB |
in8.txt | AC | 1 ms | 128 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 0 ms | 128 KB |
sample3.txt | AC | 1 ms | 128 KB |
sample4.txt | AC | 1 ms | 128 KB |