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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. int x1, y1, x2, y2;
  6. scanf ("%d %d %d %d", &x1, &y1, &x2, &y2);
  7. int x3=x1-x2;
  8. int y3=y1-y2;
  9. if(x3<0){
  10. x3=-x3;
  11. }
  12. if(y3<0){
  13. y3=-y3;
  14. }
  15. printf("%d", x3+y3);
  16. return 0;
  17. }
Success #stdin #stdout 0.01s 5512KB
stdin
-1 -1 1 1 
stdout
4