/in/foo.cc: In function 'int main()':
/in/foo.cc:22:20: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d%d",&n,&m);
               ~~   ^
/in/foo.cc:22:20: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:24:27: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   scanf("%d%d",&a[i],&b[i]);
                ~~~~~      ^
/in/foo.cc:24:27: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
/in/foo.cc:31:23: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   int x; scanf("%d",&x);
                     ~~^
/in/foo.cc:32:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%d\n",solve(x));
                 ~~~~~~~~^