Submission #739574

#	Time	Username	Problem	Language	Result	Execution time	Memory
739574		onebit1024	Parametriziran (COCI19_parametriziran)	C++17	99 / 110	1429 ms	65536 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define all(c) c.begin(), c.end()
#define endl "\n"

const double PI=3.141592653589;


void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define dbg(x...) cerr << "LINE(" << __LINE__ << ") -> " <<"[" << #x << "] = ["; _print(x)
#else
#define dbg(x...)
#endif

vector<int>pp(6);
void pre(){
    pp[0] = 1;
    for(int i =1;i<=5;++i)pp[i] = pp[i-1]*28;
}
int conv(const string &s){
    int res = 0;
    for(int i = 0;i<s.size();++i){
        int val = s[i]-'a'+2;
        if(s[i]=='?')val = 1;
        res+=val*pp[i];
    }
    return res;
}
int give(char &x){
    int val = x-'a'+2;
    if(x=='?')val = 1;
    return val;
}

void solve()
{
    int n,m;
    cin >> n >> m;
    int u = (1ll<<m);
    map<int,int>cnt[(1ll<<m)];
    ll res = 0;
    for(int i = 1;i<=n;++i){
        string s;
        cin >> s;
        vector<int>pos;
        for(int j = 0;j<m;++j){
            if(s[j]!='?')pos.pb(j);
        }
        int w = pos.size();
        for(int j = 0;j<(1ll<<w);++j){
            int v = 0,con = 0;
            for(int k = 0;k<w;++k){
                if(j&(1ll<<k))con+=(give(s[pos[k]])*pp[k]);
                else con+=pp[k];
                v+=(1ll<<pos[k]);
            }
            res+=cnt[v][con];
        }
        for(int j = 0;j<(1ll<<m);++j){
            int con = 0,p = 0;
            for(int k = 0;k<m;++k){
                if(j&(1ll<<k))con+=(give(s[k])*pp[p++]);
            }
            cnt[j][con]++;
        }
    }
    cout << res << endl;
}   

int32_t main()
{

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);


    // freopen("input.txt", "r", stdin);
    // freopen("output.txt", "w", stdout);
    

    int T=1;
    pre();
    for(int i = 1;i<=T;++i)
    {
        // cout << "Case #" << i << ": ";
        solve();
    }
}

Compilation message (stderr)

parametriziran.cpp: In function 'int conv(const string&)':
parametriziran.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int i = 0;i<s.size();++i){
      |                   ~^~~~~~~~~
parametriziran.cpp: In function 'void solve()':
parametriziran.cpp:62:9: warning: unused variable 'u' [-Wunused-variable]
   62 |     int u = (1ll<<m);
      |         ^

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 11 / 11
• Subtask 6: 11 / 11
• Subtask 7: 11 / 11
• Subtask 8: 11 / 11
• Subtask 9: 11 / 11
• Subtask 10: 0 / 11