Submission #1217954
Source Code Expand
// need
#include <iostream>
#include <algorithm>
// data structure
#include <bitset>
//#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
//#include <array>
//#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <complex>
//#include <deque>
#include<valarray>
// stream
//#include <istream>
//#include <sstream>
//#include <ostream>
#include<fstream>
// etc
#include <cassert>
#include <functional>
#include <iomanip>
//#include <typeinfo>
#include <chrono>
#include <random>
#include <numeric>
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define OUT(d) std::cout<<d;
#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<d;
#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<d;
#define SP std::cout<<" ";
#define TAB std::cout<<"\t";
#define BR std::cout<<"\n";
#define ENDL std::cout<<std::endl;
#define FLUSH std::cout<<std::flush;
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;
#define ALL(a) (a).begin(),(a).end()
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) for(int i=0;i<int(n);++i)
#define RREP(i, n) for(int i=(n)-1;i>=0;--i)
#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)
#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)
#define REPLL(i, n) for(ll i=0;i<ll(n);++i)
#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)
#define PAIR std::pair<int, int>
#define PAIRLL std::pair<ll, ll>
#define IN(a, x, b) (a <= x && x < b)
#define SHOW(d) {std::cerr << #d << "\t:" << d << "\n";}
#define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}}
#define SHOWPAIR(p) {std::cerr << #p << "\t:(" << p.first << ",\t" << p.second << ")\n";}
#define SHOWPAIRVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr<<'('<<yyy.first<<", "<<yyy.second<<") ";}std::cerr << "\n";}}
#define SHOWPAIRVECTOR(v) {for(const auto& xxx:v){std::cerr<<'('<<xxx.first<<", "<<xxx.second<<") ";}std::cerr<<"\n";}
#define SHOWQUEUE(a) {std::queue<decltype(a.front())> tmp(a);std::cerr << #a << "\t:";for(int i=0; i<static_cast<int>(a.size()); ++i){std::cerr << tmp.front() << "\n";tmp.pop();}std::cerr << "\n";}
template<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }
template<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }
#define EXCEPTION(msg) throw std::string("Exception : " msg " [ in ") + __func__ + " : " + std::to_string(__LINE__) + " lines ]"
#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}
void CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << "[Time:" << res << "ns (" << res / (1.0e9) << "s)]\n"; }
std::ostream& operator<<(std::ostream& os, const PAIR& r) {
os << "(" << r.first << ", " << r.second << ")";
return os;
}
//#define int ll
using ll = long long;
using ull = unsigned long long;
constexpr int INFINT = 1 << 30; // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60; // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18
constexpr double EPS = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;
// write [ StarrySkyTree<> sst(n) ] when using this snippet.
template<typename T = ll, bool QUERY_IS_GETMAX = true>
struct StarrySkyTree {
std::vector<T> seg, lazy;
int size;
T inf;
std::function<T(T&, T&)> func;
StarrySkyTree() {}
StarrySkyTree(int n) : inf((QUERY_IS_GETMAX ? std::numeric_limits<T>::min() : std::numeric_limits<T>::max())), func([](T& a, T& b) {return (QUERY_IS_GETMAX ? std::max(a, b) : std::min(a, b)); }) {
init(n);
}
void init(int n) {
size = 1;
while (size < n) size *= 2;
seg.resize(size * 2);
lazy.resize(size * 2);
}
void push(int k, int l, int r) {
seg[k] += lazy[k];
if (r - l > 1) {
lazy[k * 2 + 1] += lazy[k];
lazy[k * 2 + 2] += lazy[k];
}
lazy[k] = 0;
}
void update(int a, int b, T v, int k, int l, int r) {
push(k, l, r);
if (r <= a || b <= l) return;
if (a <= l && r <= b) {
lazy[k] += v;
push(k, l, r);
}
else {
update(a, b, v, k * 2 + 1, l, (l + r) / 2);
update(a, b, v, k * 2 + 2, (l + r) / 2, r);
seg[k] = func(seg[k * 2 + 1], seg[k * 2 + 2]);
}
}
// add v to [a,b)
void update(int a, int b, T v) {
update(a, b, v, 0, 0, size);
}
T query(int a, int b, int k, int l, int r) {
push(k, l, r);
if (r <= a || b <= l) return inf;
if (a <= l && r <= b) return seg[k];
T vl = query(a, b, k * 2 + 1, l, (l + r) / 2);
T vr = query(a, b, k * 2 + 2, (l + r) / 2, r);
return func(vl, vr);
}
// return min(or max) in [a,b)
T query(int a, int b) {
return query(a, b, 0, 0, size);
}
};
signed main() {
INIT;
VAR(int, n);
VEC_ROW(int, n, s, t);
StarrySkyTree<int> sst(100005);
REP(i, n) {
sst.update(s[i], t[i], 1);
}
int min = INFINT;
REP(i, n) {
sst.update(s[i], t[i], -1);
CHMIN(min, sst.query(1, 100001));
sst.update(s[i], t[i], 1);
}
OUT(min)BR;
return 0;
}
Submission Info
Submission Time |
|
Task |
D - 足ゲームII |
User |
satanic0258 |
Language |
C++14 (GCC 5.4.1) |
Score |
100 |
Code Size |
6779 Byte |
Status |
AC |
Exec Time |
238 ms |
Memory |
3072 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample-01.txt, sample-02.txt, sample-03.txt |
All |
sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 01-27.txt, 01-28.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name |
Status |
Exec Time |
Memory |
01-01.txt |
AC |
2 ms |
2304 KB |
01-02.txt |
AC |
2 ms |
2304 KB |
01-03.txt |
AC |
2 ms |
2304 KB |
01-04.txt |
AC |
5 ms |
2304 KB |
01-05.txt |
AC |
236 ms |
3072 KB |
01-06.txt |
AC |
237 ms |
3072 KB |
01-07.txt |
AC |
236 ms |
3072 KB |
01-08.txt |
AC |
234 ms |
3072 KB |
01-09.txt |
AC |
237 ms |
3072 KB |
01-10.txt |
AC |
3 ms |
2304 KB |
01-11.txt |
AC |
235 ms |
3072 KB |
01-12.txt |
AC |
236 ms |
3072 KB |
01-13.txt |
AC |
235 ms |
3072 KB |
01-14.txt |
AC |
234 ms |
3072 KB |
01-15.txt |
AC |
7 ms |
2304 KB |
01-16.txt |
AC |
237 ms |
3072 KB |
01-17.txt |
AC |
235 ms |
3072 KB |
01-18.txt |
AC |
235 ms |
3072 KB |
01-19.txt |
AC |
238 ms |
3072 KB |
01-20.txt |
AC |
7 ms |
2304 KB |
01-21.txt |
AC |
234 ms |
3072 KB |
01-22.txt |
AC |
233 ms |
3072 KB |
01-23.txt |
AC |
235 ms |
3072 KB |
01-24.txt |
AC |
211 ms |
3072 KB |
01-25.txt |
AC |
2 ms |
2304 KB |
01-26.txt |
AC |
2 ms |
2304 KB |
01-27.txt |
AC |
152 ms |
3072 KB |
01-28.txt |
AC |
155 ms |
3072 KB |
sample-01.txt |
AC |
2 ms |
2304 KB |
sample-02.txt |
AC |
2 ms |
2304 KB |
sample-03.txt |
AC |
2 ms |
2304 KB |