Submission #479876

#	Time	Username	Problem	Language	Result	Execution time	Memory
479876		SamAnd	Senior Postmen (BOI14_postmen)	C++17	Compilation error	0 ms	0 KiB

postmen

#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
const int N = 500005;
 
int n, m;
int z;
bool c[N];
int s[N];
vector<int> a[N];
vector<int> b[N];
 
int vn;
int v[N];
void dfs(int x)
{
    while (s[x] != -1)
    {
        int h = a[x][s[x]];
        if (c[b[x][s[x]]])
        {
            --s[x];
            continue;
        }
        c[b[x][s[x]]] = true;
        --s[x];
        dfs(h);
    }
    v[vn++] = x;
}
 
int ka()
{
    int x = 0;
    while (1)
    {
        char t = getchar();
        if (t == ' ' || t == '\n')
            return x;
        x *= 10;
        x += (t - '0');
    }
}
 
char t[10];
void tp(int x)
{
    int tn = 0;
    while (x)
    {
        t[tn++] = (x % 10) + '0';
        x /= 10;
    }
    for (int i = tn - 1; i >= 0; --i)
        putchar(t[i]);
    putchar(' ');
}
 
int main()
{
    n = ka();
    m = ka();
    for (int i = 0; i < m; ++i)
    {
        int x, y;
        x = ka();
        y = ka();
        a[x].push_back(y);
        a[y].push_back(x);
        ++z;
        b[x].push_back(z);
        b[y].push_back(z);
    }
    for (int i = 1; i <= n; ++i)
        s[i] = a[i].size() - 1;
    dfs(1);
    memset(c, false, sizeof c);
    vecotr<int> s;
    for (int i = 0; i < vn; ++i)
    {
        if (c[v[i]])
        {
            tp(v[i]);
            while (s.back() != v[i])
            {
                tp(s.back());
                c[s.back()] = false;
                s.pop_back();
            }
            putchar('\n');
        }
        else
        {
            s.push_back(v[i]);
            c[v[i]] = true;
        }
    }
    return 0;
}

Compilation message (stderr)

postmen.cpp: In function 'int main()':
postmen.cpp:78:5: error: 'vecotr' was not declared in this scope
   78 |     vecotr<int> s;
      |     ^~~~~~
postmen.cpp:78:12: error: expected primary-expression before 'int'
   78 |     vecotr<int> s;
      |            ^~~
postmen.cpp:84:22: error: request for member 'back' in 's', which is of non-class type 'int [500005]'
   84 |             while (s.back() != v[i])
      |                      ^~~~
postmen.cpp:86:22: error: request for member 'back' in 's', which is of non-class type 'int [500005]'
   86 |                 tp(s.back());
      |                      ^~~~
postmen.cpp:87:21: error: request for member 'back' in 's', which is of non-class type 'int [500005]'
   87 |                 c[s.back()] = false;
      |                     ^~~~
postmen.cpp:88:19: error: request for member 'pop_back' in 's', which is of non-class type 'int [500005]'
   88 |                 s.pop_back();
      |                   ^~~~~~~~
postmen.cpp:94:15: error: request for member 'push_back' in 's', which is of non-class type 'int [500005]'
   94 |             s.push_back(v[i]);
      |               ^~~~~~~~~