Submission #244727

#TimeUsernameProblemLanguageResultExecution timeMemory
244727ant101Type Printer (IOI08_printer)C++14
100 / 100
255 ms98388 KiB
// // main.cpp // type printer // // Created by r on 7/4/20. // Copyright © 2020 r. All rights reserved. // #include <iostream> #include <algorithm> #include <cstring> #include <iomanip> #include <fstream> #include <cmath> #include <vector> #include <set> #include <unordered_set> #include <unordered_map> #include <map> #include <stack> #include <queue> #include <assert.h> #include <limits> #include <cstdio> #include <complex> using namespace std; typedef long long ll; typedef long double ld; typedef double db; typedef string str; typedef pair<int, int> pi; typedef pair<ll,ll> pl; typedef pair<ld,ld> pd; #define mp make_pair #define f first #define s second typedef vector<int> vi; typedef vector<ll> vl; typedef vector<ld> vd; typedef vector<str> vs; typedef vector<pi> vpi; typedef vector<pl> vpl; typedef vector<pd> vpd; #define sz(x) (int)x.size() #define all(x) begin(x), end(x) #define rall(x) (x).rbegin(), (x).rend() #define rsz resize #define ins insert #define ft front() #define bk back() #define pf push_front #define pb push_back #define eb emplace_back #define lb lower_bound #define ub upper_bound #define FOR(i,a,b) for (int i = (a); i < (b); ++i) #define F0R(i,a) FOR(i,0,a) #define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i) #define R0F(i,a) ROF(i,0,a) #define trav(a,x) for (auto& a: x) const int MOD = 1e9+7; // 998244353; // = (119<<23)+1 const int MX = 5e5+5; const ll INF = 1e18; const ld PI = 4*atan((ld)1); const int dx[4] = {0,1,0,-1}, dy[4] = {1,0,-1,0}; namespace io { void setIn(string s) { freopen(s.c_str(),"r",stdin); } void setOut(string s) { freopen(s.c_str(),"w",stdout); } void setIO(string s = "") { ios_base::sync_with_stdio(0); cin.tie(0); // fast I/O // cin.exceptions(cin.failbit); // ex. throws exception when you try to read letter into int if (sz(s)) { setIn(s+".in"); setOut(s+".out"); } // for USACO } } using namespace io; namespace input { template<class T> void re(complex<T>& x); template<class T1, class T2> void re(pair<T1,T2>& p); template<class T> void re(vector<T>& a); template<class T, size_t SZ> void re(array<T,SZ>& a); template<class T> void re(T& x) { cin >> x; } void re(double& x) { string t; re(t); x = stod(t); } void re(ld& x) { string t; re(t); x = stold(t); } template<class Arg, class... Args> void re(Arg& first, Args&... rest) { re(first); re(rest...); } template<class T> void re(complex<T>& x) { T a,b; re(a,b); x = cd(a,b); } template<class T1, class T2> void re(pair<T1,T2>& p) { re(p.f,p.s); } template<class T> void re(vector<T>& a) { F0R(i,sz(a)) re(a[i]); } template<class T, size_t SZ> void re(array<T,SZ>& a) { F0R(i,SZ) re(a[i]); } } namespace output { template<class T1, class T2> void pr(const pair<T1,T2>& x); template<class T, size_t SZ> void pr(const array<T,SZ>& x); template<class T> void pr(const vector<T>& x); template<class T> void pr(const set<T>& x); template<class T1, class T2> void pr(const map<T1,T2>& x); template<class T> void pr(const T& x) { cout << x; } template<class Arg, class... Args> void pr(const Arg& first, const Args&... rest) { pr(first); pr(rest...); } template<class T1, class T2> void pr(const pair<T1,T2>& x) { pr("{",x.f,", ",x.s,"}"); } template<class T> void prContain(const T& x) { pr("{"); bool fst = 1; for (const auto& a: x) pr(!fst?", ":"",a), fst = 0; // const needed for vector<bool> pr("}"); } template<class T, size_t SZ> void pr(const array<T,SZ>& x) { prContain(x); } template<class T> void pr(const vector<T>& x) { prContain(x); } template<class T> void pr(const set<T>& x) { prContain(x); } template<class T1, class T2> void pr(const map<T1,T2>& x) { prContain(x); } void ps() { pr("\n"); } template<class Arg> void ps(const Arg& first) { pr(first); ps(); // no space at end of line } template<class Arg, class... Args> void ps(const Arg& first, const Args&... rest) { pr(first," "); ps(rest...); // print w/ spaces } } using namespace output; using namespace input; ll add(ll a, ll b) { a += b; if(a >= MOD) { a -= MOD; } return a; } ll sub(ll a, ll b) { a -= b; if(a < 0) { a += MOD; } return a; } ll mul(ll a, ll b) { return (a * b)%MOD; } void add_self(ll& a, ll b) { a = add(a, b); } void sub_self(ll& a, ll b) { a = sub(a, b); } void mul_self(ll& a, ll b) { a = mul(a, b); } ll adj[MX][26]; ll val[MX]; ll N; string words[25010]; ll nxtnode = 0; vector<char> ans; set<ll> longest; pl mxsz = mp(0, 0); void solve(ll u, char c) { if (u) { ans.pb(c); } F0R (i, val[u]) { ans.pb('P'); } ll clong = -1; F0R (i, 26) { if (longest.count(adj[u][i])) { clong = i; continue; } if (adj[u][i]) { solve(adj[u][i], i+'a'); } } if (clong != -1) { solve(adj[u][clong], clong+'a'); } if (u) { ans.pb('-'); } } int main() { re(N); FOR (i, 1, N+1) { cin >> words[i]; mxsz = max(mxsz, mp((ll)words[i].length(), (ll)i)); } FOR (i, 1, N+1) { ll curr = 0; F0R (j, words[i].length()) { if (!adj[curr][words[i][j]-'a']) { adj[curr][words[i][j]-'a'] = ++nxtnode; } if (i == mxsz.second) { longest.insert(adj[curr][words[i][j]-'a']); } curr = adj[curr][words[i][j]-'a']; } val[curr]++; } solve(0, ' '); ps(sz(ans)-mxsz.first); F0R (i, sz(ans)-mxsz.first) { ps(ans[i]); } return 0; }

Compilation message (stderr)

printer.cpp: In function 'int main()':
printer.cpp:61:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define FOR(i,a,b) for (int i = (a); i < (b); ++i)
                                        ^
printer.cpp:62:18: note: in expansion of macro 'FOR'
 #define F0R(i,a) FOR(i,0,a)
                  ^~~
printer.cpp:219:9: note: in expansion of macro 'F0R'
         F0R (j, words[i].length()) {
         ^~~
printer.cpp: In function 'void io::setIn(std::__cxx11::string)':
printer.cpp:75:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     void setIn(string s) { freopen(s.c_str(),"r",stdin); }
                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
printer.cpp: In function 'void io::setOut(std::__cxx11::string)':
printer.cpp:76:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     void setOut(string s) { freopen(s.c_str(),"w",stdout); }
                             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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