답안 #91193 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
91193	2018-12-26T13:48:52 Z	nikolapesic2802	Cezar (COCI16_cezar)	C++14	10 / 100	369 ms	66560 KB

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);
vector<int> visited(N);
void dfs(int tr)
{
    if(visited[tr])
    {
        printf("NE\n");
        exit(0);
    }
    visited[tr]=1;
    for(auto p:graf[tr])
        dfs(p);
    visited[tr]=0;
}
vector<int> top;
void topo(int tr)
{
    for(auto p:graf[tr])
        topo(p);
    top.pb(tr);
}
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++)
    {
        for(int j=0;j<min((int)niz[i].size(),(int)niz[i-1].size());j++)
        {
            if(niz[i][j]!=niz[i-1][j])
            {
                bool test=true;
                for(auto p:graf[niz[i-1][j]-'a'])
                {
                    if(p==niz[i][j]-'a')
                        test=false;
                }
                if(test)
                    graf[niz[i][j]-'a'].pb(niz[i-1][j]-'a');
                break;
            }
        }
    }
    for(int i=0;i<N;i++)
    {
        fill(all(visited),0);
        dfs(i);
    }
    for(int i=0;i<N;i++)
    {
        bool test=false;
        for(auto p:top)
            if(p==i)
                test=true;
        if(test)
            continue;
        topo(i);
    }
    int tr=0;
    vector<int> degree(N);
    for(int i=0;i<N;i++)
    {
        for(auto p:graf[i])
        {
            degree[p]++;
        }
    }
    //reverse(all(top));
    vector<int> sol(N,-1);
    for(int i=0;i<top.size();i++)
    {
        sol[top[i]]=i;
    }
    printf("DA\n");
    for(int i=0;i<N;i++)
    {
        printf("%c",sol[i]+'a');
    }
    printf("\n");
    return 0;
}

Compilation message

cezar.cpp: In function 'int main()':
cezar.cpp:130:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<top.size();i++)
                 ~^~~~~~~~~~~
cezar.cpp:119:9: warning: unused variable 'tr' [-Wunused-variable]
     int tr=0;
         ^~
cezar.cpp:56:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
cezar.cpp:64:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i",&x);
         ~~~~~^~~~~~~~~

Subtask #1
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	2 ms	376 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	8 ms	1528 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1528 KB	Output is correct
2	Correct	2 ms	1528 KB	Output is correct

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	369 ms	66244 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	324 ms	66560 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	165 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-

Subtask #8
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-

Subtask #9
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-

Subtask #10
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	2 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2	Halted	0 ms	0 KB	-