제출 #134277

#제출 시각아이디문제언어결과실행 시간메모리
134277claudyJakarta Skyscrapers (APIO15_skyscraper)C++14
57 / 100
1090 ms72056 KiB
//# pragma GCC optimize("Ofast,no-stack-protector") //# pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") # pragma GCC optimize("Ofast") # pragma GCC optimization ("unroll-loops") # include "bits/stdc++.h" /* # include <ext/pb_ds/tree_policy.hpp> # include <ext/pb_ds/assoc_container.hpp> # include <ext/rope> */ std::pair<int,int> DR[] = {{-1,0},{0,1},{1,0},{0,-1},{-1,1},{-1,-1},{1,1},{1,-1}}; # define ll long long # define clock (clock() * 1000.0 / CLOCKS_PER_SEC) # define rc(s) return cout << s,0 # define rcg(s) cout << s;exit(0) # define _ ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0); # define db(x) cerr << #x << " = " << x << '\n' # define pb push_back # define mp make_pair # define all(s) s.begin(),s.end() # define sz(x) (int)((x).size()) //# define int ll using namespace std; /* using namespace __gnu_pbds; using namespace __gnu_cxx; template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; Tree<int>tr; */ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # define LOCAL # define sim template < class c # define ris return * this # define dor > debug & operator << # define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define show(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " int gcd(int a, int b) { if(b) return gcd(b,a%b); return a; }mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ int n,m,x[30005],p[30005],dist[30005],viz[30005]; bitset<30005>b[30005]; vector<int>vec[30005]; int32_t main(){_ //freopen("input","r",stdin); cin >> n >> m; for(int i = 0;i < m;i++) { cin >> x[i] >> p[i]; vec[x[i]].pb(p[i]); } for(int i = 0;i < n;i++) { dist[i] = 1e9; } b[0][x[0]] = 1; int MX = 19000; for(int i = 0;i <= MX;i++) { for(int j = b[i]._Find_first();j < sz(b[i]);j = b[i]._Find_next(j)) { if(dist[j] == 1e9) { dist[j] = i; for(auto it : vec[j]) { for(int k = (j / it) * (-1);k <= (n - j) / it;k++) { if(k && i + abs(k) < MX) b[i + abs(k)][j + k * it] = 1; } } } } } if(dist[x[1]] == 1e9) rc(-1); rc(dist[x[1]]); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

skyscraper.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 # pragma GCC optimization ("unroll-loops")
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