晴天 · 发布于 2024-12-29 · 浏览 478 回复 0

int x1, y1, x2, y2, a;
scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
a = abs(x1 - x2) + abs(y1 - y2);
printf("%d", a);
return 0;