Run id: 137901

Main.cc: In function 'int main()':
Main.cc:7:18: error: 'm' was not declared in this scope
     for (int i = m; i <= n; ++i) {
                  ^
Main.cc:7:26: error: 'n' was not declared in this scope
     for (int i = m; i <= n; ++i) {
                          ^
Main.cc:11:10: error: 's' was not declared in this scope
          s+=i;
          ^