Submission #7443535
Source Code Expand
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
vector<pair<char, int>> runLengthEncoding(string s) {
int n = s.length();
vector<pair<char, int>> res;
char pre = s[0];
int cnt = 1;
rep(i, 1, n) {
if (pre != s[i]) {
res.push_back({ pre, cnt });
pre = s[i];
cnt = 1;
}
else cnt++;
}
res.push_back({ pre, cnt });
return res;
}
/*---------------------------------------------------------------------------------------------------
∧_∧
∧_∧ (´<_` ) Welcome to My Coding Space!
( ´_ゝ`) / ⌒i @hamayanhamayan
/ \ | |
/ / ̄ ̄ ̄ ̄/ |
__(__ニつ/ _/ .| .|____
\/____/ (u ⊃
---------------------------------------------------------------------------------------------------*/
int N, K;
string S;
//---------------------------------------------------------------------------------------------------
void _main() {
cin >> N >> K >> S;
auto rl = runLengthEncoding(S);
int gr = rl.size();
rep(k, 0, K) {
if(3 <= gr)
gr -= 2;
else if(gr == 2)
gr = 1;
}
int ans = N - gr;
cout << ans << endl;
}
Submission Info
| Submission Time | |
|---|---|
| Task | D - Face Produces Unhappiness |
| User | hamayanhamayan |
| Language | C++14 (GCC 5.4.1) |
| Score | 400 |
| Code Size | 1981 Byte |
| Status | AC |
| Exec Time | 3 ms |
| Memory | 1608 KiB |
Judge Result
| Set Name | All | Sample | ||||
|---|---|---|---|---|---|---|
| Score / Max Score | 400 / 400 | 0 / 0 | ||||
| Status |
|
|
| Set Name | Test Cases |
|---|---|
| All | sample_01, sample_02, sample_03, testcase_01, testcase_02, testcase_03, testcase_04, testcase_05, testcase_06, testcase_07, testcase_08, testcase_09, testcase_10, testcase_11, testcase_12, testcase_13, testcase_14, testcase_15, testcase_16, testcase_17, testcase_18, testcase_19, testcase_20, testcase_21 |
| Sample | sample_01, sample_02, sample_03 |
| Case Name | Status | Exec Time | Memory |
|---|---|---|---|
| sample_01 | AC | 1 ms | 256 KiB |
| sample_02 | AC | 1 ms | 256 KiB |
| sample_03 | AC | 1 ms | 256 KiB |
| testcase_01 | AC | 2 ms | 768 KiB |
| testcase_02 | AC | 2 ms | 1100 KiB |
| testcase_03 | AC | 2 ms | 1216 KiB |
| testcase_04 | AC | 2 ms | 1100 KiB |
| testcase_05 | AC | 1 ms | 384 KiB |
| testcase_06 | AC | 2 ms | 1100 KiB |
| testcase_07 | AC | 1 ms | 384 KiB |
| testcase_08 | AC | 2 ms | 1100 KiB |
| testcase_09 | AC | 2 ms | 1020 KiB |
| testcase_10 | AC | 2 ms | 1100 KiB |
| testcase_11 | AC | 3 ms | 1100 KiB |
| testcase_12 | AC | 1 ms | 384 KiB |
| testcase_13 | AC | 2 ms | 1100 KiB |
| testcase_14 | AC | 3 ms | 1608 KiB |
| testcase_15 | AC | 3 ms | 1608 KiB |
| testcase_16 | AC | 3 ms | 1608 KiB |
| testcase_17 | AC | 3 ms | 1608 KiB |
| testcase_18 | AC | 2 ms | 512 KiB |
| testcase_19 | AC | 2 ms | 512 KiB |
| testcase_20 | AC | 1 ms | 256 KiB |
| testcase_21 | AC | 2 ms | 512 KiB |