0_0_13438293_16953.cpp: In function 'int main()':
0_0_13438293_16953.cpp:4:18: error: 'scanf' was not declared in this scope
scanf("%d",&t);
^
0_0_13438293_16953.cpp:9:9: error: 'a' was not declared in this scope
a[2] = 1;
^
0_0_13438293_16953.cpp:15:48: error: 'printf' was not declared in this scope
printf("%.2lf%%\n",(double)(a[n]/s)*100);
^
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