Compilare: user.cpp: In function ‘int main()’: user.cpp:9:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long unsigned int*’ [-Wformat=] scanf("%d", &n); ^ user.cpp:13:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long unsigned int*’ [-Wformat=] scanf("%d", ma+i); ^ user.cpp:6:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("xormax.in", "r", stdin); ^ user.cpp:7:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("xormax.out", "w", stdout); ^ user.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", ma+i); ^ user.cpp:32:48: warning: ‘endd’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%lu %lu %lu", maxi, start+1, endd+1); ^ user.cpp:32:48: warning: ‘start’ may be used uninitialized in this function [-Wmaybe-uninitialized]