0_0_14550216_10753.cpp: In function 'int main()':
0_0_14550216_10753.cpp:76:36: error: 'modn' was not declared in this scope
printf("%d\n", n * n - modn * modn);
^
0_0_14550216_10753.cpp:78:41: error: 'modn' was not declared in this scope
printf("%d\n", n * n - (k - modn) * (k - modn));
^
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