0_0_13763232_7395.cpp:19:2: error: expected initializer before 'int'
int T, n;
^
0_0_13763232_7395.cpp:20:7: error: expected constructor, destructor, or type conversion before '(' token
scanf("%d", &T);
^
0_0_13763232_7395.cpp:21:2: error: expected unqualified-id before 'while'
while(T--){
^
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