in c plus coding $-7\mathrm{.}21\mathrm{.}4$: Arrange the code to initialize a triangular array where the first row has length $10,$ and the last row has length $1.$

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$577648\mathrm{.}3479862.$qx$3$zqy$7$

Rearrange the following lines of code to initialize a triangular $10$

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$10$ array where the first row has length $10,$ and the last row has length $1.$ Each value in the array is initialized to its row number. Not all lines are useful.