Main.cc: In function ‘int main()’: Main.cc:7:23: error: expected primary-expression before ‘;’ token for(int i=10;i<=n;;i++){ ^ Main.cc:7:23: error: expected ‘)’ before ‘;’ token Main.cc:7:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=10;i<=n;;i++){ ^~~ Main.cc:7:24: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’ for(int i=10;i<=n;;i++){ ^ Main.cc:7:24: error: ‘i’ was not declared in this scope Main.cc:4:11: warning: unused variable ‘a’ [-Wunused-variable] int n,a[10]; ^ Main.cc:5:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt=0,ans=0; ^~~