0_0_34878050_14334.cpp: In function 'int main()': 0_0_34878050_14334.cpp:26:10: error: 'i' was not declared in this scope for(i=0;str[i]!='\0';i++) ^ 0_0_34878050_14334.cpp:34:28: error: 'j' was not declared in this scope row.push(a[j].row); ^