Main.cc: In function 'int main()': Main.cc:5:5: error: expected ',' or ';' before 'int' int m,s=0; ^ Main.cc:6:14: error: 'm' was not declared in this scope cin>>m; ^ Main.cc:8:12: error: 's' was not declared in this scope s=0; ^ Main.cc:10:32: error: expected ';' before ')' token for(int i=1;i<=m;i++){ ^ Main.cc:4:9: warning: unused variable 'a' [-Wunused-variable] int a[101]={} ^