1 #include <stdio.h>
2 #include <stdlib.h>
3
4 typedef struct mdata
5 {
6 int *pTime;
7 int width;
8 int hight;
9 struct mdata *pre;
10 struct mdata *next;
11 }mhole;
12
13 mhole *setHole(mhole *,int ,int ,int *); //插入结点
14 void pourTime(mhole *cur); //计算灌水时间
15 void printTime(int *pTime,int N); //输出灌水时间
16
17 int main()
18 {
19 mhole *left,*right,*pt,*curHole;
20 int N,mCount;
21 int mWidth,mHight;
22 int *time;
23
24 left = (mhole*)malloc (sizeof(mhole)); //初始化左边界
25 left->width = 0;
26 left->hight = 1000000;
27 left->pTime = NULL;
28 left->pre = left->next = NULL;
29
30
31 scanf("%d",&N);
32 time = (int*)calloc(N,sizeof(mhole)); //time分配空间
33
34 pt = curHole = left; //当前结点，坑底位置最低结点
35 for(mCount = 0;mCount<N;mCount++){
36 scanf("%d%d",&mWidth,&mHight);
37 curHole = setHole(curHole,mWidth,mHight,time+mCount);
38 if(pt->hight > mHight) //坑底位置最低结点
39 pt = curHole;
40 }
41 right = setHole(curHole,0,1000000,NULL);
42
43 pourTime(pt);
44 printTime(time,N);
45
46 return 0;
47 }
48 mhole *setHole(mhole *preHole,int width,int hight,int *ptime)
49 {
50 mhole *curHole = (mhole *)malloc(sizeof(mhole));
51 curHole->width = width;
52 curHole->hight = hight;
53 curHole->pTime = ptime;
54 curHole->pre = preHole;
55 curHole->next = NULL;
56
57 preHole->next = curHole;
58 return curHole;
59 }
60 void pourTime(mhole * curHole)
61 {
62 mhole *cur = curHole,*pt;
63 int myclock = 0;
64 while(cur->pre->hight != cur->next->hight){
65 *(cur->pTime) = myclock + cur->width;
66 //计算当前时间，合并以灌满结点
67 if(cur->pre->hight > cur->next->hight){
68 myclock += (cur->next->hight - cur->hight)*cur->width;
69 cur->next->width += cur->width;
70 //摘下pt，释放结点
71 cur->pre->next = cur->next;
72 cur->next->pre = cur->pre;
73 pt = cur;
74 cur = cur->next;
75 free(pt);
76 }
77 else{
78 myclock += (cur->pre->hight - cur->hight)*cur->width;
79 cur->pre->width += cur->width;
80
81 cur->pre->next = cur->next;
82 cur->next->pre = cur->pre;
83 pt = cur;
84 cur = cur->pre;
85 free(pt);
86 }
87 //移动至下一结点，此结点为当前坑底最低位置
88 if(cur->hight < cur->pre->hight&&cur->hight < cur->next->hight)
89 continue;
90 else if(cur->pre->hight > cur->next->hight){ //右移
91 while(cur->hight > cur->next->hight)
92 cur = cur->next;
93 }else {
94 while(cur->hight >cur->pre->hight)
95 cur = cur->pre;
96 }
97 }
98 myclock += cur->width;
99 *(cur->pTime) = myclock;
100 }
101 void printTime(int *pTime,int N)
102 {
103 while(N--){
104 printf("%d\n",*pTime++);
105 }
106 }
107
108
109
