Compilare: user.cpp: In function ‘int main()’: user.cpp:38:26: warning: writing into constant object (argument 2) [-Wformat=] scanf("%ld","%ld", &a, &b); ^ user.cpp:38:26: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘const char*’ [-Wformat=] user.cpp:38:26: warning: too many arguments for format [-Wformat-extra-args] user.cpp:54:20: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int*’ [-Wformat=] printf("%ld", i+a); ^ user.cpp:56:31: warning: too many arguments for format [-Wformat-extra-args] printf("\n", "%ld", imax, "\n"); ^ user.cpp:35:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxd.in", "r", stdin); ^ user.cpp:36:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxd.out", "w", stdout); ^ user.cpp:38:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld","%ld", &a, &b); ^