0_0_25951291_24399.cpp: In function 'int main()': 0_0_25951291_24399.cpp:37:9: error: redeclaration of 'int i' int i=0; ^ 0_0_25951291_24399.cpp:9:13: note: 'int i' previously declared here for(int i=1;i<=t;i++) ^