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Accessing elements in a static array using pointer(arithmetic) in C
int A[5][5];
  int i; int j;
  for(i=0;i<5;i++){
    for(j=0;j<5;j++){
      A[i][j]=i+j;
      printf("%dn", A[i][j]);
    }
  }

*(A+(2*5+2)*sizeof(int))?

*(*(A + 2) + 2)

a[i][j] == *(a[i] + j) == *(*(a + i) + j)

T *p;

int I = 0;
float F = 0;
double D = 0;
int* PI = 0;
float* PF = 0;
double* PD = 0;

cout<<I<<" "<<F<<" "<<D<<" "<<PI<<" "<<PF<<" "<<PD<<endl;
I++;F++;D++;PI++;PF++,PD++;

cout<<I<<" "<<F<<" "<<D<<" "<<PI<<" "<<PF<<" "<<PD<<endl;
cout<<I<<" "<<F<<" "<<D<<" "<<(int)PI<<" "<<(int)PF<<" "<<(int)PD<<endl;

0 0 0 0 0 0
1 1 1 0x4 0x4 0x8
1 1 1 4 4 8

void* V = 0;

int* IV = (int*)V;
float* FV = (float*)V;
double* DV = (double*)V;

IV++;FV++;DV++;
cout<<IV<<" "<<FV<<" "<<DV<<endl;

0x4 0x4 0x8