Compilare: user.cpp: In function ‘int main()’: user.cpp:27:26: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘short int*’ [-Wformat=] scanf("%ld",&v[i]); ^ user.cpp:31:61: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘short int*’ [-Wformat=] scanf("%ld%ld%ld%ld",&Q[i].i,&Q[i].j,&Q[i].x,&Q[i].y); ^ user.cpp:31:61: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘short int*’ [-Wformat=] user.cpp:31:61: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 4 has type ‘short int*’ [-Wformat=] user.cpp:31:61: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 5 has type ‘short int*’ [-Wformat=] user.cpp:23:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("qxy.in","r",stdin); ^ user.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:27:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&v[i]); ^ user.cpp:28:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&m); ^ user.cpp:31:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld%ld%ld%ld",&Q[i].i,&Q[i].j,&Q[i].x,&Q[i].y); ^