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  1. main(a,b,k,n){
  2. scanf("%d %d %d %d", &a, &b, &k, &n);
  3. printf("%d",(a>k)?0:(k*n>=a*n+b)?1:0);
  4. }
Success #stdin #stdout 0.01s 5320KB
stdin
7 7
8
10
stdout
1