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c++arrayscomma-operator

Array not assignable

I wanted to assign a boolean value to a two-dimensional boolean array, but the compiler showed an error

bool Amass[100][80];

Amass[1,1] = true; //even so I see only an error
Solution

  • You have declared a two-dimensional array

    bool Amass[100][80];

    However in this statement

    Amass[1,1] = true;

    in the subscript operator expression you are using the comma operator. Its result is the right-most operand. That is the statement is equivalent to

    Amass[1] = true;

    So in the left side of the assignment there is used a one-dimensional array.

    It seems you mean

    Amass[1][1] = true;