Submission #2636166

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

#define NDEBUG
#ifdef DEBUG
#include "../cout11.h"
#undef NDEBUG
#endif
#include <cassert>

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> llll;
typedef pair<double,double> dd;

typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<ll> vll;

#define sz(a)  int((a).size())
#define pb  push_back
#define FOR(var,from,to) for(int var=(from);var<=(to);++var)
#define rep(var,n)  for(int var=0;var<(n);++var)
#define rep1(var,n)  for(int var=1;var<=(n);++var)
#define repC2(vari,varj,n)  for(int vari=0;vari<(n)-1;++vari)for(int varj=vari+1;varj<(n);++varj)
#define ALL(c)  (c).begin(),(c).end()
#define RALL(c)  (c).rbegin(),(c).rend()
#define tr(i,c)  for(auto i=(c).begin(); i!=(c).end(); ++i)
#define found(s,e)  ((s).find(e)!=(s).end())
#define mset(arr,val)  memset(arr,val,sizeof(arr))
#define mid(x,y) ((x)+((y)-(x))/2)
#define IN(x,a,b) ((a)<=(x)&&(x)<=(b))


string solve(int N, vector<string>& a) {
    // map<char, int> st;
    vector<int> st(26, 0x7fffffff);
    rep(i,N){
        vector<int> local(26, 0);
        for (int ch : a[i]) {
            ++local[ch-'a'];
        }
        rep(c,26) st[c] = min(st[c], local[c]);
    }

    vector<char> w;
    rep(c,26){
        rep(i,st[c]) w.pb('a'+c);
    }
    return string(ALL(w));
}

int main() {
    int N;cin >> N;
    vector<string> s(N);
    rep(i,N) cin>>s[i];
    cout << solve(N,s) << endl;
    return 0;
}

Submission Info

Submission Time
Task C - 怪文書 / Dubious Document
User naoya_t
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1612 Byte
Status
Exec Time 1 ms
Memory 256 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 0_000.txt, 0_001.txt
All 300 / 300 0_000.txt, 0_001.txt, dec_half.txt, hand.txt, max.txt, max_10.txt, max_5.txt, maxx.txt, rnd.txt, single.txt
Case Name Status Exec Time Memory
0_000.txt 1 ms 256 KB
0_001.txt 1 ms 256 KB
dec_half.txt 1 ms 256 KB
hand.txt 1 ms 256 KB
max.txt 1 ms 256 KB
max_10.txt 1 ms 256 KB
max_5.txt 1 ms 256 KB
maxx.txt 1 ms 256 KB
rnd.txt 1 ms 256 KB
single.txt 1 ms 256 KB