제출 #91165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
91165		nikolapesic2802	Cezar (COCI16_cezar)	C++14	0 / 100	2 ms	620 KiB

cezar

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a) {
	os << '{';
	for(int i=0;i<sz(a);i++)
	{
		if(i>0&&i<sz(a))
			os << ", ";
		os << a[i];
	}
	os << '}';
    return os;
}
const int N=26;
vector<vector<int> > graf(N);
int main()
{
	int n;
	scanf("%i",&n);
	vector<string> niz(n);
	vector<string> prvo(n);
    for(int i=0;i<n;i++)
        cin >> prvo[i];
    for(int i=0;i<n;i++)
    {
        int x;
        scanf("%i",&x);
        x--;
        niz[i]=prvo[x];
    }
    for(int i=0;i<n;i++)
        cout << niz[i] << endl;
    for(int i=1;i<n;i++)
    {
        for(int j=0;j<i;j++)
        {
            int si=niz[i].size();
            int sj=niz[j].size();
            if(si<sj)
            {
                if(niz[j].substr(0,si)==niz[i])
                {
                    printf("NE\n");
                    return 0;
                }
            }
        }
    }
    for(int i=1;i<n;i++)
    {
        bool nasao=true;
        for(int j=0;j<min((int)niz[i].size(),(int)niz[i-1].size());j++)
        {
            if(niz[i][j]!=niz[i-1][j])
            {
                graf[niz[i-1][j]-'a'].pb(niz[i][j]-'a');
                //printf("%i->%i\n",niz[i-1][j]-'a',niz[i][j]-'a');
                nasao=false;
                break;
            }
        }
        if(nasao)
        {
            if(niz[i].size()<niz[i-1].size())
            {
                assert(0);
                printf("NE\n");
                return 0;
            }
        }
    }
    int tr=0;
    vector<int> degree(N);
    for(int i=0;i<N;i++)
    {
        for(auto p:graf[i])
        {
            degree[p]++;
        }
    }
    vector<int> sol(N,-1);
    for(int i=0;i<N;i++)
    {
        bool ima=false;
        for(int j=0;j<N;j++)
        {
            if(degree[j]==0)
            {
                sol[j]=tr;
                tr++;
                ima=true;
                for(auto p:graf[j])
                {
                    degree[p]--;
                }
                degree[j]=INT_MAX;
                break;
            }
        }
        if(!ima)
        {
            printf("NE\n");
            return 0;
        }
    }
    printf("DA\n");
    for(int i=0;i<N;i++)
    {
        printf("%c",sol[i]+'a');
    }
    printf("\n");
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cezar.cpp: In function 'int main()':
cezar.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
cezar.cpp:44:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i",&x);
         ~~~~~^~~~~~~~~

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