0_0_14480310_19827.cpp: In function 'bool check(int, int)':
0_0_14480310_19827.cpp:15:7: error: 'i' was not declared in this scope
for( i = x+1; i < n; ++i)//col
^
0_0_14480310_19827.cpp:29:7: error: 'j' was not declared in this scope
for( j = y+1; j < n; ++j)//row
^
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