0_0_17415721_9790.cpp: In function 'void run()':
0_0_17415721_9790.cpp:13:2: error: expected unqualified-id before 'int'
int u=2;
^
0_0_17415721_9790.cpp:54:8: error: 'u' was not declared in this scope
ans[u++]=num[(i+1)/2];
^
0_0_17415721_9790.cpp:57:12: error: 'u' was not declared in this scope
for(i=1;i<u;i++)
^
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