0_0_16004133_2975.cpp: In function 'int main()':
0_0_16004133_2975.cpp:10:23: error: 'scanf' was not declared in this scope
for(scanf("%d", &T); T--; )
^
0_0_16004133_2975.cpp:39:27: error: 'printf' was not declared in this scope
printf("%d\n", ans);
^
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