Submission #142740

#TimeUsernameProblemLanguageResultExecution timeMemory
142740liwiParametriziran (COCI19_parametriziran)C++11
99 / 110
3055 ms1948 KiB
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set; #define scan(x) do{while((x=getchar())<'0'); for(x-='0'; '0'<=(_=getchar()); x=(x<<3)+(x<<1)+_-'0');}while(0) char _; #define complete_unique(a) a.erase(unique(a.begin(),a.end()),a.end()) #define all(a) a.begin(),a.end() #define println printf("\n"); #define readln(x) getline(cin,x); #define pb push_back #define endl "\n" #define INT_INF 0x3f3f3f3f #define LL_INF 0x3f3f3f3f3f3f3f3f #define MOD 1000000007 #define mp make_pair #define fastio cin.tie(0); cin.sync_with_stdio(0); #define MAXN 50005 #define MAXL 8 typedef unsigned long long ull; typedef long long ll; typedef long double ld; typedef unordered_map<int,int> umii; typedef pair<int,int> pii; typedef pair<double,double> pdd; typedef pair<ll,ll> pll; typedef pair<int,pii> triple; typedef int8_t byte; mt19937 g1(time(0)); int randint(int a, int b){return uniform_int_distribution<int>(a, b)(g1);} ll randlong(ll a,ll b){return uniform_int_distribution<long long>(a, b)(g1);} ll gcd(ll a, ll b){return b == 0 ? a : gcd(b, a % b);} ll lcm(ll a, ll b){return a*b/gcd(a,b);} ll fpow(ll b, ll exp, ll mod){if(exp == 0) return 1;ll t = fpow(b,exp/2,mod);if(exp&1) return t*t%mod*b%mod;return t*t%mod;} ll divmod(ll i, ll j, ll mod){i%=mod,j%=mod;return i*fpow(j,mod-2,mod)%mod;} int num_words,M; ll res; bitset<MAXN> m[MAXL][30]; int main(){ fastio; cin>>num_words>>M; for(int i=1; i<=num_words; i++){ string s; cin>>s; bitset<MAXN> t; for(int k=0; k<s.size(); k++){ if(s[k] == '?') continue; for(int v=0; v<26; v++) if(v != (s[k]-'a')) t|=m[k][v]; } res+=(i-1-t.count()); for(int k=0; k<s.size(); k++){ if(s[k] == '?') continue; m[k][s[k]-'a'][i] = true; } } cout<<res<<endl; }

Compilation message (stderr)

parametriziran.cpp: In function 'int main()':
parametriziran.cpp:55:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=0; k<s.size(); k++){
                ~^~~~~~~~~
parametriziran.cpp:62:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=0; k<s.size(); k++){
                ~^~~~~~~~~
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