Compilare: main.cpp: In function 'void dinamica()': main.cpp:21:13: warning: unused variable 'nr' [-Wunused-variable] int nr=0; ^~ main.cpp: In function 'int main()': main.cpp:35:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nrcuv.in", "r", stdin); ^ main.cpp:36:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nrcuv.out", "w", stdout); ^ main.cpp:38:29: 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:45:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c %c\n", &l1, &l2); ^