HDU1008 Elevator

原题传送

#include <stdio.h>int main(void) {    int T, location, floor, second;    while(scanf("%d", &T), T) {        location = 0;        second = 5 * T;        while(T--) {            scanf("%d", &floor);            second += location < floor ? (floor - location) * 6 : (location - floor) * 4;            location = floor;        }        printf("%d\n", second);    }    return 0;}