Compilare: user.cpp: In function ‘int main()’: user.cpp:107:30: warning: narrowing conversion of ‘Y[i]’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] V.push_back({X[i],Y[i],0,0,0}); ^ user.cpp:118:45: warning: narrowing conversion of ‘i’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] V.push_back({X1[i],Y1[i],Y2[i],i,-1}); ^ user.cpp:119:44: warning: narrowing conversion of ‘i’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] V.push_back({X2[i],Y1[i],Y2[i],i,1}); ^ user.cpp: In function ‘int i32()’: user.cpp:58:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,LEN,f); ^ user.cpp:65:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,LEN,f); ^ user.cpp:72:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,LEN,f); ^