Compilare: main.cpp: In function 'void unire(int, int)': main.cpp:28:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:31:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' if (rang[radacinaX] == rang[radacinaY]) ^~ main.cpp: In function 'int main()': main.cpp:37:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.in", "r", stdin); ^ main.cpp:38:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("disjoint.out", "w", stdout); ^ main.cpp:40:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ", &nrNoduri, &nrCoduri); ^ main.cpp:52:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &cod, &x, &y); ^