0_0_17470251_31563.cpp: In function 'int main()': 0_0_17470251_31563.cpp:9:14: error: 'T' was not declared in this scope scanf("%d",&T) ^ 0_0_17470251_31563.cpp:10:14: error: 't' was not declared in this scope for(int t=1;t<=T;t++) ^