Compilare: main.cpp: In function 'int suma_egala(int)': main.cpp:29:11: warning: statement has no effect [-Wunused-value] for(lg; lg<=N; lg<<=1); ^ main.cpp:26:9: warning: unused variable 'rez' [-Wunused-variable] int rez = 0; ^~~ main.cpp:27:10: warning: unused variable 'ok' [-Wunused-variable] bool ok = 0; ^~ main.cpp: In function 'int main()': main.cpp:44:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aib.in", "r", stdin); ^ main.cpp:45:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aib.out", "w", stdout); ^ main.cpp:46:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &M); ^ main.cpp:49:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nr); ^ main.cpp:54:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Type); ^ main.cpp:57:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &a, &b); ^ main.cpp:63:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^