Compilare: main.cpp:19:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable:4996) main.cpp:20:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable:6031) main.cpp: In function 'int main()': main.cpp:60:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fibsum.in", "r", stdin); ^ main.cpp:61:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fibsum.out", "w", stdout); ^ main.cpp:62:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ main.cpp:65:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &l, &r); ^