Submission #1067263

#	Time	Username	Problem	Language	Result	Execution time	Memory
1067263		Neco_arc	Cezar (COCI16_cezar)	C++17	20 / 100	3 ms	12956 KiB

cezar

#include <bits/stdc++.h>
#ifdef LOCAL
#include <bits/debug.hpp>
#endif // LOCAL

#define ll long long
#define all(x) x.begin(), x.end()
#define Neco "Cezar"
#define resp(x) sort(all(x)), x.resize(unique(all(x)) - x.begin())
#define getbit(x,i) ((x >> i)&1)
#define _left id * 2, l, mid
#define _right id * 2 + 1, mid + 1, r
#define cntbit(x) __builtin_popcountll(x)
#define fi(i, a, b) for(int i = a; i <= b; i++)
#define fid(i, a, b) for(int i = a; i >= b; i--)
#define maxn (int) 2e5 + 7

using namespace std;

const ll mod = 1e9 + 7; //972663749
const ll base = 911382323;

int n;
int deg[maxn], p[maxn];
vector<int> edges[maxn], ans;
string s[maxn];

int connect(int x, int y) {
    int N = min(s[x].size(), s[y].size());
    fi(i, 0, N - 1) {
        if(s[x][i] != s[y][i]) {
            int u = s[x][i] - 'a', v = s[y][i] - 'a';
            edges[u].push_back(v), deg[v] ++;
            return 1;
        }
    }
    return (s[x].size() == N);
}

void Topo() {
    queue<int> q;
    fi(i, 0, 25) if(!deg[i]) q.push(i);

    while(!q.empty()) {
        int u = q.front(); q.pop();
        ans.push_back(u);

        for(int v : edges[u]) {
            --deg[v];
            if(!deg[v]) q.push(v);
        }
    }

}

void solve()
{

    cin >> n;
    fi(i, 1, n) cin >> s[i];
    fi(i, 1, n) cin >> p[i];

    fi(i, 1, n) fi(j, i + 1, n) {
        if(!connect(p[i], p[j])) return cout << "NE\n", void();
    }

    Topo();
    if(ans.size() < 26) return cout << "NE", void();

    cout << "DA\n";
    for(int x : ans) cout << char(x + 'a') ;

}


int main()
{

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    if(fopen(Neco".inp", "r")) {
        freopen(Neco".inp", "r", stdin);
        freopen(Neco".out", "w", stdout);
    }


    int nTest = 1;
//    cin >> nTest;


    while(nTest--)
    {
        solve();
    }


    return 0;
}

Compilation message (stderr)

cezar.cpp: In function 'int connect(int, int)':
cezar.cpp:37:25: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |     return (s[x].size() == N);
      |             ~~~~~~~~~~~~^~~~
cezar.cpp: In function 'int main()':
cezar.cpp:84:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |         freopen(Neco".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
cezar.cpp:85:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   85 |         freopen(Neco".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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