結果
| 問題 |
No.945 YKC饅頭
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-01-04 06:58:34 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 669 ms / 2,000 ms |
| コード長 | 3,922 bytes |
| コンパイル時間 | 2,431 ms |
| コンパイル使用メモリ | 205,088 KB |
| 最終ジャッジ日時 | 2025-01-08 16:11:29 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 74 |
ソースコード
#include <bits/stdc++.h>
#define LLI long long int
#define FOR(v, a, b) for(LLI v = (a); v < (b); ++v)
#define FORE(v, a, b) for(LLI v = (a); v <= (b); ++v)
#define REP(v, n) FOR(v, 0, n)
#define REPE(v, n) FORE(v, 0, n)
#define REV(v, a, b) for(LLI v = (a); v >= (b); --v)
#define ALL(x) (x).begin(), (x).end()
#define RALL(x) (x).rbegin(), (x).rend()
#define ITR(it, c) for(auto it = (c).begin(); it != (c).end(); ++it)
#define RITR(it, c) for(auto it = (c).rbegin(); it != (c).rend(); ++it)
#define EXIST(c,x) ((c).find(x) != (c).end())
#define fst first
#define snd second
#define popcount __builtin_popcount
#define UNIQ(v) (v).erase(unique(ALL(v)), (v).end())
#define bit(i) (1LL<<(i))
#ifdef DEBUG
#include <misc/C++/Debug.cpp>
#else
#define dump(...) ((void)0)
#endif
#define gcd __gcd
using namespace std;
template <class T> constexpr T lcm(T m, T n){return m/gcd(m,n)*n;}
template <typename I> void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost<<d; ost<<*i;}ost<<endl;}
template <typename T> istream& operator>>(istream &is, vector<T> &v){for(auto &a : v) is >> a; return is;}
template <typename T, typename U> bool chmin(T &a, const U &b){return (a>b ? a=b, true : false);}
template <typename T, typename U> bool chmax(T &a, const U &b){return (a<b ? a=b, true : false);}
template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){fill((U*)a, (U*)(a+N), v);}
struct Init{
Init(){
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(12);
cerr << fixed << setprecision(12);
}
}init;
template <typename T, typename Func>
class DualSegmentTree{
private:
int size;
std::vector<T> data;
const T e;
const Func f;
inline void propagate(int i){
if(i < size/2){
data[i*2+1] = f(data[i], data[i*2+1]);
data[i*2+2] = f(data[i], data[i*2+2]);
data[i] = e;
}
}
inline void update_aux(int s, int t, int i, int l, int r, const T &x){
if(r <= s || t <= l) return;
else if(s <= l && r <= t) data[i] = f(x, data[i]);
else{
propagate(i);
update_aux(s,t,i*2+1,l,(l+r)/2,x);
update_aux(s,t,i*2+2,(l+r)/2,r,x);
}
}
inline void get_aux(int i){
if(i>0) get_aux((i-1)/2);
propagate(i);
}
public:
DualSegmentTree(int n, const T &e, const Func &f): e(e), f(f){
size = 1;
while(size < n) size *= 2;
size = size*2-1;
data = std::vector<T>(size, e);
}
inline void update(int s, int t, const T &x){
update_aux(s,t,0,0,size/2+1,x);
}
inline T get(int i){
int j = i+size/2;
get_aux((j-1)/2);
return data[j];
}
};
template <typename T, typename Func>
class DualSegmentTreeRangeUpdate : public DualSegmentTree<std::pair<T, bool>, Func>{
using super = DualSegmentTree<std::pair<T, bool>, Func>;
public:
DualSegmentTreeRangeUpdate(int n, const T &e, const Func f): super(n, std::make_pair(e, false), f){}
inline void update(int l, int r, const T &val){
super::update(l, r, std::make_pair(val, true));
}
inline T get(int i){
auto val = super::get(i);
return val.first;
}
};
template <typename T>
auto make_dual_segment_tree_range_update(int size, const T &e){
auto f = [](const auto &a, const auto &b){return a.second ? a : b;};
return DualSegmentTreeRangeUpdate<T, decltype(f)>(size, e, f);
}
int main(){
int N, M;
while(cin >> N >> M){
vector<int> L(M), R(M);
vector<char> T(M);
REP(i,M) cin >> L[i] >> R[i] >> T[i];
auto seg = make_dual_segment_tree_range_update<char>(N, ' ');
REV(i,M-1,0){
seg.update(L[i]-1, R[i], T[i]);
}
int Y = 0, K = 0, C = 0;
REP(i,N){
char a = seg.get(i);
cerr << a << " ";
if(a == 'Y') Y += 1;
if(a == 'K') K += 1;
if(a == 'C') C += 1;
}
cerr << endl;
cout << Y << " " << K << " " << C << endl;
}
return 0;
}