Submission #259736

#TimeUsernameProblemLanguageResultExecution timeMemory
259736leakedParametriziran (COCI19_parametriziran)C++14
110 / 110
369 ms3320 KiB
//C.cpp #include<bits/stdc++.h> using namespace std; //#include<ext/pb_ds/assoc_container.hpp> //#include<ext/pb_ds/tree_policy.hpp> // // #pragma GCC optimize("unroll-loops") // #pragma GCC optimize("Ofast") // #pragma GCC optimize("-O3") // #pragma GCC optimize("no-stack-protector") // #pragma GCC optimize("fast-math") //#pragma GCC optimize("Ofast") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx") //#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 { #ifndef 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 imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define fi first #define f first #define se second #define s second #define vi_a vector<int>a; #define p_b push_back ////////////////////////////////???????????????CHECK THIS OUT???????????????////////////////////////////// #define ll long long typedef unsigned long long ull; ////////////////////////////////???????????????CHECK THIS OUT???????????????////////////////////////////// #define ld long double #define pll pair<ll,ll> #define pii pair<int,int> #define m_p make_pair #define fast_io cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0); #define all(x) x.begin(),x.end() #define getfiles ifstream cin("input.txt");ofstream cout("output.txt"); #define pw(x) (1ll << x) #define sz(x) (int)x.size() #define endl "\n" #define rall(x) x.rbegin(),x.rend() #define len(a) (ll)a.size() #define rep(x,l,r) for(ll x=l;x<r;x++) //using namespace __gnu_pbds; ld eps = (ld)1 / 1e6; const ld pi=3.14159265359; ll inf = 2e9,mod1=1e9+7; ll sqr(ll a) { return a * a; } ll qb(ll a) { return a * a * a; } template<typename T> bool umax(T& a, T b) {return a<b?a=b,1:0;} template<typename T> bool umin(T& a, T b) {return b<a?a=b,1:0;} bool is_prime(ll val){for(ll i=2;i<=sqrt(val);i++)if(val%i==0)return 0; return 1;} ll gcd(ll a, ll b) { return !a ? b : gcd(b % a, a); } ll binpow(ll a, ll b, ll mod) { return b ? (b % 2 ? (a * (sqr(binpow(a, b / 2, mod)) % mod)) % mod : sqr(binpow(a, b / 2, mod)) % mod) : 1; }ll binmult(ll a, ll b, ll mod) { return b ? (b % 2 ? (2 * binmult(a, b / 2, mod) + a) % mod : (2 * binmult(a, b / 2, mod)) % mod) : 0; } ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// const ll R=1e4; const ll tx[4]={0,0,-1,1}; const ll ty[4]={-1,1,0,0}; const char rev_to[4]={'E','W','N','S'}; const int M=999999937; const int N=5e4+2; const int ppp=73; const int Y=1; const int X=0; //typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> st; auto rnd=bind(uniform_int_distribution<ll>(1,125),mt19937(time(0))); void bad(){ cout<<"-1"; exit(0); } bitset<N>who[6][26]; bitset<N>full; string s[N]; /// кто имеет на этой позиции этот символ signed main() { fast_io; int n,m; cin>>n>>m; for(int i=0;i<n;i++){ cin>>s[i]; for(int j=0;j<m;++j){ for(int k=0;k<26;k++){ if(s[i][j]=='?' || s[i][j]-'a'==k){ who[j][k][i]=1; } } } } for(int i=0;i<n;i++) full[i]=1; ll ans=0; bitset<N>nw; for(int i=0;i<n;i++){ nw|=full; for(int j=0;j<m;++j){ if(s[i][j]=='?') continue; nw&=who[j][s[i][j]-'a']; } ans+=nw.count()-1; } cout<<(ans>>1); return 0; } /* 4 3 */
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