Compilare: main.cpp: In function 'int main()': main.cpp:127:9: warning: unused variable 'nr' [-Wunused-variable] int nr=0; ^~ main.cpp:83:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.in", "r", stdin); ^ main.cpp:84:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rj.out", "w", stdout); ^ main.cpp:86:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &m); ^ main.cpp:93:33: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(linie, 105, stdin); ^ main.cpp:121:22: warning: 'pjr' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(ro, pir, pjr); ^ main.cpp:121:22: warning: 'pir' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:120:22: warning: 'pjj' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(ju, pij, pjj); ^ main.cpp:120:22: warning: 'pij' may be used uninitialized in this function [-Wmaybe-uninitialized]