Submission #5874175
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<(n);i++) signed main(){ int n,m;cin>>n>>m; vector<int>x(n); for(auto&& u:x)cin>>u; map<int,vector<int>> div; for(auto&& u:x)div[u%m].push_back(u); int ret=0; ret+=div[0].size()/2; if(m%2==0)ret+=div[m/2].size()/2; for(int i=1;i<m/2;i++){ int x=i,y=m-x; int nx=div[x].size(),ny=div[y].size(); if(nx>ny)swap(x,y); ret+=nx; int pr=0; for(int j=0;j<y-1;j++){ if(div[y][j]==div[y][j+1]){pr++;j++;} } ret+=min(ny-nx,pr); } cout<<ret<<endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Pair Cards |
User | mnrutd |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 595 Byte |
Status | RE |
Exec Time | 2104 ms |
Memory | 11904 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, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 3 ms | 256 KB |
01-02.txt | AC | 32 ms | 2168 KB |
01-03.txt | AC | 31 ms | 1892 KB |
01-04.txt | WA | 31 ms | 2236 KB |
01-05.txt | WA | 31 ms | 2044 KB |
01-06.txt | WA | 32 ms | 2304 KB |
01-07.txt | WA | 32 ms | 1920 KB |
01-08.txt | WA | 40 ms | 2432 KB |
01-09.txt | WA | 64 ms | 2432 KB |
01-10.txt | RE | 159 ms | 5504 KB |
01-11.txt | RE | 162 ms | 8064 KB |
01-12.txt | RE | 128 ms | 2168 KB |
01-13.txt | RE | 129 ms | 2168 KB |
01-14.txt | AC | 31 ms | 1892 KB |
01-15.txt | WA | 32 ms | 2032 KB |
01-16.txt | AC | 33 ms | 2432 KB |
01-17.txt | WA | 37 ms | 2176 KB |
01-18.txt | WA | 92 ms | 3072 KB |
01-19.txt | WA | 1292 ms | 3456 KB |
01-20.txt | RE | 268 ms | 11904 KB |
01-21.txt | AC | 31 ms | 1992 KB |
01-22.txt | WA | 32 ms | 2136 KB |
01-23.txt | WA | 33 ms | 2176 KB |
01-24.txt | WA | 45 ms | 2432 KB |
01-25.txt | RE | 142 ms | 2688 KB |
01-26.txt | RE | 141 ms | 2688 KB |
01-27.txt | TLE | 2104 ms | 6912 KB |
01-28.txt | RE | 99 ms | 640 KB |
01-29.txt | RE | 100 ms | 256 KB |
01-30.txt | RE | 99 ms | 256 KB |
sample-01.txt | WA | 1 ms | 256 KB |
sample-02.txt | RE | 99 ms | 256 KB |