Make 1990/baruch look slightly more like original

That is to say I removed the 'int' from the variables and added to the
Makefile -Wno-implicit-int instead. The newline added by the judges is
still there, however.

1990/baruch/baruch.c

@@ -1,4 +1,4 @@
-int v,i,j,k,l,s,a[99];
+v,i,j,k,l,s,a[99];
 main()
 {
 	for(scanf("%d",&s);*a-s;v=a[j*=v]-a[i],k=i<s,j+=(v=j<s&&(!k&&!!printf(2+"\n\n%c"-(!l<<!j)," #Q"[l^v?(l^j)&1:2])&&++l||a[i]<s&&v&&v-i+j&&v+i-j))&&!(l%=s),v||(i==j?a[i+=k]=0:++a[i])>=s*k&&++a[--i])