Compilare: main.cpp: In function 'int main()': main.cpp:27:33: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d\n" , v.size()); ^ main.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp:11:21: warning: unused variable 'fact1' [-Wunused-variable] int c , l , i , fact1 , fact2; ^~~~~ main.cpp:11:29: warning: unused variable 'fact2' [-Wunused-variable] int c , l , i , fact1 , fact2; ^~~~~ main.cpp:9:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vampir.in" , "r" , stdin); ^ main.cpp:10:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vampir.out" , "w" , stdout); ^ main.cpp:12:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d" , &c , &l); ^