Borderou de evaluare (job #710462)

Compilare: main.cpp: In function 'int main()': main.cpp:28:36: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 28 | for (int j = a[i].first; j = a[j].first; j != -1) | ~~^~~~~~~~~~~~ main.cpp:28:52: warning: for increment expression has no effect [-Wunused-value] 28 | for (int j = a[i].first; j = a[j].first; j != -1) | ~~^~~~~ main.cpp:23:10: warning: unused variable 'ok' [-Wunused-variable] 23 | bool ok = 1; | ^~