Submission #991738
Source Code Expand
#include<iostream> #include<cstdio> #include<algorithm> #include<set> #include<map> #include<queue> #include<cassert> #define PB push_back #define MP make_pair #define sz(v) (in((v).size())) #define forn(i,n) for(in i=0;i<(n);++i) #define forv(i,v) forn(i,sz(v)) #define fors(i,s) for(auto i=(s).begin();i!=(s).end();++i) #define all(v) (v).begin(),(v).end() using namespace std; typedef long long in; typedef vector<in> VI; typedef vector<VI> VVI; VI cnt; int main(){ ios::sync_with_stdio(0); cin.tie(0); in n,m,x; cin>>n>>m; cnt.resize(m); forn(z,n){ cin>>x; ++cnt[x%m]; } in sm=0; in c; for(in i=0;i<=(m-i);++i){ c=cnt[i]; if(i!=m-i && i!=0) c+=cnt[m-i]; sm+=c/2; } cout<<sm<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Pair Cards |
User | w4yneb0t |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 789 Byte |
Status | WA |
Exec Time | 12 ms |
Memory | 1024 KB |
Judge Result
Set Name | sample | all | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 700 | ||||||||
Status |
|
|
Set Name | Test Cases |
---|---|
sample | sample-01.txt, sample-02.txt |
all | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 01-27.txt, 01-28.txt, 01-29.txt, 01-30.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 3 ms | 256 KB |
01-02.txt | AC | 11 ms | 256 KB |
01-03.txt | AC | 11 ms | 384 KB |
01-04.txt | AC | 11 ms | 256 KB |
01-05.txt | AC | 11 ms | 256 KB |
01-06.txt | AC | 11 ms | 256 KB |
01-07.txt | AC | 11 ms | 256 KB |
01-08.txt | AC | 11 ms | 256 KB |
01-09.txt | AC | 11 ms | 256 KB |
01-10.txt | WA | 12 ms | 512 KB |
01-11.txt | AC | 12 ms | 1024 KB |
01-12.txt | AC | 11 ms | 256 KB |
01-13.txt | AC | 11 ms | 640 KB |
01-14.txt | AC | 11 ms | 256 KB |
01-15.txt | AC | 11 ms | 256 KB |
01-16.txt | AC | 11 ms | 256 KB |
01-17.txt | AC | 11 ms | 256 KB |
01-18.txt | AC | 11 ms | 256 KB |
01-19.txt | AC | 11 ms | 384 KB |
01-20.txt | AC | 12 ms | 1024 KB |
01-21.txt | AC | 11 ms | 256 KB |
01-22.txt | AC | 11 ms | 256 KB |
01-23.txt | AC | 11 ms | 256 KB |
01-24.txt | WA | 11 ms | 256 KB |
01-25.txt | WA | 11 ms | 512 KB |
01-26.txt | AC | 12 ms | 1024 KB |
01-27.txt | AC | 8 ms | 1024 KB |
01-28.txt | AC | 4 ms | 1024 KB |
01-29.txt | WA | 3 ms | 512 KB |
01-30.txt | AC | 4 ms | 1024 KB |
sample-01.txt | AC | 3 ms | 256 KB |
sample-02.txt | WA | 3 ms | 256 KB |