Submission #1030720
Source Code Expand
#include <algorithm> #include <cassert> #include <cfloat> #include <climits> #include <cmath> #include <cstdio> #include <cstdlib> #include <deque> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> #define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i)) #define rep(i,n) FOR(i,0,n) #define pb push_back #define eb emplace_back #define mp make_pair #define fst first #define snd second #define all(v) begin(v), end(v) #define debug(x) cerr<< #x <<": "<<x<<endl #define debug2(x,y) cerr<< #x <<": "<< x <<", "<< #y <<": "<< y <<endl using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<vector<int> > vvi; typedef vector<ll> vll; typedef vector<vector<ll> > vvll; template<class T> using vv=vector<vector< T > >; int main() { int n; scanf("%d", &n); vi a; a.reserve(n); vi g(5, 0); rep (i, n) { int tmp; scanf("%d", &tmp); g[tmp] += 1; } int ans = 0; ans += g[4]; ans += g[3]; int g1 = max(0, g[1] - g[3]); ans += (g[2] / 2); int g2 = g[2] % 2; ans += (2 * g2 + g1 + 3) / 4; printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - スキーリフトの相乗り |
User | tspcx |
Language | C++14 (Clang 3.8.0) |
Score | 400 |
Code Size | 1325 Byte |
Status | AC |
Exec Time | 11 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 400 / 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 | 3 ms | 256 KB |
00_sample01 | AC | 3 ms | 256 KB |
100_corner0000 | AC | 3 ms | 256 KB |
100_corner0001 | AC | 3 ms | 256 KB |
100_corner0002 | AC | 3 ms | 256 KB |
100_corner0003 | AC | 3 ms | 256 KB |
10_small-0000 | AC | 3 ms | 256 KB |
10_small-0001 | AC | 3 ms | 256 KB |
10_small-0002 | AC | 3 ms | 256 KB |
10_small-0003 | AC | 3 ms | 256 KB |
10_small-0004 | AC | 3 ms | 256 KB |
10_small-0005 | AC | 3 ms | 256 KB |
10_small-0006 | AC | 2 ms | 256 KB |
10_small-0007 | AC | 2 ms | 256 KB |
10_small-0008 | AC | 3 ms | 256 KB |
10_small-0009 | AC | 3 ms | 256 KB |
20_special-0000 | AC | 3 ms | 256 KB |
20_special-0001 | AC | 3 ms | 256 KB |
20_special-0002 | AC | 3 ms | 256 KB |
20_special-0003 | AC | 3 ms | 256 KB |
20_special-0004 | AC | 3 ms | 256 KB |
20_special-0005 | AC | 3 ms | 256 KB |
20_special-0006 | AC | 3 ms | 256 KB |
20_special-0007 | AC | 2 ms | 256 KB |
20_special-0008 | AC | 3 ms | 256 KB |
20_special-0009 | AC | 3 ms | 256 KB |
20_special-0010 | AC | 3 ms | 256 KB |
20_special-0011 | AC | 3 ms | 256 KB |
20_special-0012 | AC | 3 ms | 256 KB |
20_special-0013 | AC | 3 ms | 256 KB |
20_special-0014 | AC | 3 ms | 256 KB |
30_large-0000 | AC | 11 ms | 256 KB |
30_large-0001 | AC | 11 ms | 256 KB |
30_large-0002 | AC | 11 ms | 256 KB |
30_large-0003 | AC | 11 ms | 256 KB |
30_large-0004 | AC | 10 ms | 256 KB |
30_large-0005 | AC | 11 ms | 256 KB |
30_large-0006 | AC | 11 ms | 256 KB |
30_large-0007 | AC | 11 ms | 256 KB |
30_large-0008 | AC | 11 ms | 256 KB |
30_large-0009 | AC | 11 ms | 256 KB |
80_combination-type00 | AC | 3 ms | 256 KB |
80_combination-type01 | AC | 3 ms | 256 KB |
80_combination-type02 | AC | 3 ms | 256 KB |
80_combination-type03 | AC | 3 ms | 256 KB |
80_combination-type04 | AC | 3 ms | 256 KB |
80_combination-type05 | AC | 3 ms | 256 KB |
80_combination-type06 | AC | 3 ms | 256 KB |
90_tayama-killer00 | AC | 3 ms | 256 KB |