Submission #1698645
Source Code Expand
#include<iostream> #include<iomanip> #include<math.h> #include<vector> #include<algorithm> #include<set> #include<map> #include<queue> #include<stack> #include<string> #include<time.h> #define INF 1000000000ll #define MOD 1000000007ll #define EPS 1e-10 #define REP(i,m) for(long long i=0; i<m; ++i) #define FOR(i,n,m) for(long long i=n; i<m; ++i) #define DUMP(n,a) for(long long dump=0; dump<n; ++dump) { cout<<a[dump]; if(dump!=n-1) cout<<" "; else cout<<endl; } #define ALL(v) v.begin(),v.end() #define pb push_back using namespace std; typedef long long ll; typedef pair<ll, ll> P; typedef long double ld; int main() { cin.tie(0); ios::sync_with_stdio(false); int c1=0,c2=0,c3=0,c4=0; int n; cin>>n; REP(i,n) { int a; cin>>a; if(a==1) c1++; if(a==2) c2++; if(a==3) c3++; if(a==4) c4++; } ll ret=INF; REP(i,min(c1,c3)+1) { int _c1=c1,_c2=c2,_c3=c3; ll buf=c4; buf+=i; _c1-=i; _c3-=i; if(_c1==0) buf+=(_c2+1)/2+_c3; else { buf+=_c3; buf+=_c1/4; _c1-=_c1/4*4; buf+=_c2/2; _c2-=_c2/2*2; if(_c2==0) { if(_c1!=0) ret++; } if(_c2==1) { if(_c1<=2) buf++; else buf+=2; } } ret=min(ret,buf); } cout<<ret<<endl; }
Submission Info
Submission Time | |
---|---|
Task | C - スキーリフトの相乗り |
User | gazelle |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1251 Byte |
Status | WA |
Exec Time | 8 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||||
---|---|---|---|---|---|
Score / Max Score | 0 / 400 | ||||
Status |
|
Set Name | Test Cases |
---|---|
All | 00_sample00, 00_sample01, 100_corner0000, 100_corner0001, 100_corner0002, 100_corner0003, 10_small-0000, 10_small-0001, 10_small-0002, 10_small-0003, 10_small-0004, 10_small-0005, 10_small-0006, 10_small-0007, 10_small-0008, 10_small-0009, 20_special-0000, 20_special-0001, 20_special-0002, 20_special-0003, 20_special-0004, 20_special-0005, 20_special-0006, 20_special-0007, 20_special-0008, 20_special-0009, 20_special-0010, 20_special-0011, 20_special-0012, 20_special-0013, 20_special-0014, 30_large-0000, 30_large-0001, 30_large-0002, 30_large-0003, 30_large-0004, 30_large-0005, 30_large-0006, 30_large-0007, 30_large-0008, 30_large-0009, 80_combination-type00, 80_combination-type01, 80_combination-type02, 80_combination-type03, 80_combination-type04, 80_combination-type05, 80_combination-type06, 90_tayama-killer00 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample00 | AC | 1 ms | 256 KB |
00_sample01 | WA | 1 ms | 256 KB |
100_corner0000 | WA | 1 ms | 256 KB |
100_corner0001 | AC | 1 ms | 256 KB |
100_corner0002 | AC | 1 ms | 256 KB |
100_corner0003 | AC | 1 ms | 256 KB |
10_small-0000 | AC | 1 ms | 256 KB |
10_small-0001 | AC | 1 ms | 256 KB |
10_small-0002 | AC | 1 ms | 256 KB |
10_small-0003 | AC | 1 ms | 256 KB |
10_small-0004 | WA | 1 ms | 256 KB |
10_small-0005 | AC | 1 ms | 256 KB |
10_small-0006 | AC | 1 ms | 256 KB |
10_small-0007 | WA | 1 ms | 256 KB |
10_small-0008 | AC | 1 ms | 256 KB |
10_small-0009 | AC | 1 ms | 256 KB |
20_special-0000 | AC | 1 ms | 256 KB |
20_special-0001 | AC | 1 ms | 256 KB |
20_special-0002 | WA | 1 ms | 256 KB |
20_special-0003 | AC | 1 ms | 256 KB |
20_special-0004 | WA | 1 ms | 256 KB |
20_special-0005 | AC | 1 ms | 256 KB |
20_special-0006 | AC | 1 ms | 256 KB |
20_special-0007 | AC | 1 ms | 256 KB |
20_special-0008 | AC | 1 ms | 256 KB |
20_special-0009 | AC | 1 ms | 256 KB |
20_special-0010 | AC | 1 ms | 256 KB |
20_special-0011 | AC | 1 ms | 256 KB |
20_special-0012 | WA | 1 ms | 256 KB |
20_special-0013 | AC | 1 ms | 256 KB |
20_special-0014 | AC | 1 ms | 256 KB |
30_large-0000 | AC | 8 ms | 256 KB |
30_large-0001 | AC | 7 ms | 256 KB |
30_large-0002 | AC | 8 ms | 256 KB |
30_large-0003 | AC | 7 ms | 256 KB |
30_large-0004 | AC | 8 ms | 256 KB |
30_large-0005 | WA | 8 ms | 256 KB |
30_large-0006 | AC | 8 ms | 256 KB |
30_large-0007 | AC | 8 ms | 256 KB |
30_large-0008 | AC | 8 ms | 256 KB |
30_large-0009 | AC | 8 ms | 256 KB |
80_combination-type00 | AC | 1 ms | 256 KB |
80_combination-type01 | AC | 1 ms | 256 KB |
80_combination-type02 | AC | 1 ms | 256 KB |
80_combination-type03 | AC | 1 ms | 256 KB |
80_combination-type04 | AC | 1 ms | 256 KB |
80_combination-type05 | WA | 1 ms | 256 KB |
80_combination-type06 | WA | 1 ms | 256 KB |
90_tayama-killer00 | AC | 1 ms | 256 KB |