Submission #1408627
Source Code Expand
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define size(n) ( int( n.size() ) ) #define sqr(n) ( (n) * (n) ) using namespace std; typedef long long ll; typedef long double ld; const int N = 100; int a[N]; ll c[N][N]; ll ans = 0; int main(){ //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); int n, p; for ( int i = 1; i < N; i++ ){ c[i][0] = 1; c[0][i] = 0; } c[0][0] = 1; for ( int i = 1; i < N; i++ ){ for ( int j = 1; j < N; j++ ){ c[i][j] = c[i-1][j] + c[i-1][j-1]; } } scanf("%d %d",&n,&p); int cntOdd = 0, cntEven = 0; for ( int i = 1; i <= n; i++ ){ scanf("%d",&a[i]); if ( a[i] % 2 == 1 ){ cntOdd++; } else{ cntEven++; } } for ( int i = 0; i <= cntOdd; i++ ){ if ( i % 2 == p ){ ans += c[cntOdd][i]; } } ans *= ( 1LL << cntEven ); cout << ans << endl; return 0; }
Submission Info
Submission Time | |
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Task | A - Biscuits |
User | altruist_ |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 1077 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:33:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&p); ^ ./Main.cpp:36:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
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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 | 384 KB |
in2.txt | AC | 1 ms | 384 KB |
in3.txt | AC | 1 ms | 256 KB |
in4.txt | AC | 1 ms | 384 KB |
in5.txt | AC | 1 ms | 256 KB |
in6.txt | AC | 1 ms | 256 KB |
in7.txt | AC | 1 ms | 384 KB |
in8.txt | AC | 1 ms | 256 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 384 KB |
sample4.txt | AC | 1 ms | 384 KB |