Submission #4019384
Source Code Expand
#include <bits/stdc++.h> using namespace std; //repetition #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define rep(i, n) for(int i = 0; i < (int)(n); i++) //container util #define all(x) (x).begin(),(x).end() //typedef typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<ll> VLL; typedef vector<VLL> VVLL; typedef vector<string> VS; typedef pair<int, int> PII; typedef pair<ll, ll> PLL; //conversion inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} int main(){ int n; cin >> n; VI A(n); map<int,int> num_cnt; rep(i,n){ cin >> A[i]; num_cnt[i+1] = A[i]; } sort(all(A)); int ans = 0; FOR(i,1,n+1){ if(num_cnt[i-1] > 0){ int tmp = min(num_cnt[A[i]-1],num_cnt[A[i]]); //cout << "tmp " << tmp << endl; ans += tmp; num_cnt[A[i]] -= tmp; num_cnt[A[i]-1] -= tmp; ans += num_cnt[i-1]/2; } } ans += num_cnt[n-1]/2; cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Simplified mahjong |
User | edamame88 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1134 Byte |
Status | WA |
Exec Time | 222 ms |
Memory | 14720 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
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Set Name | Test Cases |
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Sample | s1.txt, s2.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | WA | 214 ms | 14720 KB |
02.txt | WA | 222 ms | 14720 KB |
03.txt | WA | 208 ms | 14720 KB |
04.txt | WA | 103 ms | 7680 KB |
05.txt | WA | 93 ms | 7680 KB |
06.txt | WA | 99 ms | 7680 KB |
07.txt | WA | 154 ms | 11264 KB |
08.txt | WA | 164 ms | 11264 KB |
09.txt | WA | 213 ms | 14720 KB |
10.txt | WA | 204 ms | 14720 KB |
11.txt | AC | 53 ms | 5376 KB |
12.txt | WA | 193 ms | 5376 KB |
13.txt | WA | 183 ms | 5376 KB |
14.txt | WA | 184 ms | 5376 KB |
15.txt | AC | 70 ms | 5376 KB |
16.txt | WA | 200 ms | 14720 KB |
17.txt | WA | 209 ms | 14720 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | WA | 1 ms | 256 KB |
21.txt | WA | 1 ms | 256 KB |
22.txt | WA | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |