Language: C++

using namespace std;

int main() {
    int N;
    int t[110000], x[110000], y[110000];
    cin >> N;
    t[0] = x[0] = y[0] = 0;/
    for (int i = 0; i < N; ++i) cin >> t[i+1] >> x[i+1] >> y[i+1]; /

    bool ans = true;
    for (int i = 0; i < N; ++i) {
        int dt = t[i+1] - t[i];
        int dx = abs(x[i+1] - x[i]) + abs(y[i+1] - y[i]);
        if (dt < dx) ans = false;
        if (dx % 2 != dt % 2) ans = false;  /
    }

    if (ans) cout << "Yes" << endl;
    else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> N;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:7:28: error: expected primary-expression before '/' token
    7 |     t[0] = x[0] = y[0] = 0;/
      |                            ^
a.cc:8:5: error: expected primary-expression before 'for'
    8 |     for (int i = 0; i < N; ++i) cin >> t[i+1] >> x[i+1] >> y[i+1]; /
      |     ^~~
a.cc:8:21: error: 'i' was not declared in this scope
    8 |     for (int i = 0; i < N; ++i) cin >> t[i+1] >> x[i+1] >> y[i+1]; /
      |                     ^
a.cc:8:68: error: expected primary-expression before '/' token
    8 |     for (int i = 0; i < N; ++i) cin >> t[i+1] >> x[i+1] >> y[i+1]; /
      |                                                                    ^
a.cc:10:5: error: expected primary-expression before 'bool'
   10 |     bool ans = true;
      |     ^~~~
a.cc:13:18: error: 'abs' was not declared in this scope
   13 |         int dx = abs(x[i+1] - x[i]) + abs(y[i+1] - y[i]);
      |                  ^~~
a.cc:14:22: error: 'ans' was not declared in this scope
   14 |         if (dt < dx) ans = false;
      |                      ^~~
a.cc:15:31: error: 'ans' was not declared in this scope
   15 |         if (dx % 2 != dt % 2) ans = false;  /
      |                               ^~~
a.cc:15:45: error: expected primary-expression before '/' token
   15 |         if (dx % 2 != dt % 2) ans = false;  /
      |                                             ^
a.cc:16:5: error: expected primary-expression before '}' token
   16 |     }
      |     ^
a.cc:18:9: error: 'ans' was not declared in this scope
   18 |     if (ans) cout << "Yes" << endl;
      |         ^~~
a.cc:18:14: error: 'cout' was not declared in this scope
   18 |     if (ans) cout << "Yes" << endl;
      |              ^~~~
a.cc:18:14: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:18:31: error: 'endl' was not declared in this scope
   18 |     if (ans) cout << "Yes" << endl;
      |                               ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
a.cc:19:10: error: 'cout' was not declared in this scope
   19 |     else cout << "No" << endl;
      |          ^~~~
a.cc:19:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:19:26: error: 'endl' was not declared in this scope
   19 |     else cout << "No" << endl;
      |                          ^~~~
a.cc:19:26: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'