oj.uz

Submission #212490

# Submission time Handle Problem Language Result Execution time Memory
212490 2020-03-23T07:44:07 Z kai824 Tower Defense (CEOI19_towerdefense) C++17
100 / 100
 5 ms 512 KB 
#include "bits/stdc++.h"
using namespace std;

#define mp make_pair
#define pii pair<int,int>

pii p1,p2,d1,d2;

int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
		int xs,ys,xe,ye,d,cur_d;
		cin>>xs>>ys>>xe>>ye>>d;
		cur_d=abs(xs-xe)+abs(ys-ye);
		if(cur_d==d){
			cout<<"0\n";
			return 0;
		}
		if(cur_d>d || ((d-cur_d)%2)!=0 || cur_d==1){
			cout<<"impossible\n";
			return 0;
		}
		if(cur_d<=1){//start spot same as end spot...
			cout<<"impossible\n";
			return 0;
		}else if(cur_d==2 && xs!=xe && ys!=ye){//diff column, diff row...
			if(d==4){
				cout<<"impossible\n";return 0;
			}
		}
		p1.first=xe;p1.second=ye;
		if(xs<xe)p1.first--;
		else if(xs>xe)p1.first++;
		if(ys<ye)p1.second--;
		else if(ys>ye)p1.second++;

		p2=p1;
		d1=d2=mp(0,0);
		if(xs<xe){
			if(ys==ye){
				d1.second=-1;
				d2.second=1;
			}else if(ys<ye){
				d1=mp(1,0);
				d2=mp(0,1);
			}else{
				d1=mp(1,0);
				d2=mp(0,-1);
			}
		}else if(xs==xe){
			d1=mp(1,0);
			d2=mp(-1,0);
		}else{
			if(ys==ye){
				d1.second=-1;
				d2.second=1;
			}else if(ys<ye){
				d1=mp(-1,0);
				d2=mp(0,1);
			}else{
				d1=mp(-1,0);
				d2=mp(0,-1);
			}
		}

		if(xs!=xe && ys!=ye){
			p1.first+=d1.first;
			p1.second+=d1.second;
			p2.first+=d2.first;
			p2.second+=d2.second;
		}
		vector<pii> turrets;
		while(cur_d<d){
			if(turrets.size()>10000){
				cout<<"impossible\n";
				return 0;
			}
			turrets.push_back(p1);
			if(p1!=p2)turrets.push_back(p2);
			if(cur_d==2 && xs!=xe && ys!=ye){//diff column, diff row...
				cur_d+=4;
			}else cur_d+=2;
			p1.first+=d1.first;
			p1.second+=d1.second;
			p2.first+=d2.first;
			p2.second+=d2.second;
		}
		if(turrets.size()>10000){
			cout<<"impossible\n";
			return 0;
		}
		cout<<turrets.size()<<'\n';
		for(int i=0;i<turrets.size();i++){
			cout<<turrets[i].first<<' '<<turrets[i].second<<'\n';
		}
    return 0;
}

Compilation message

towerdefense.cpp: In function 'int32_t main()':
towerdefense.cpp:92:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<turrets.size();i++){
               ~^~~~~~~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct

Subtask #2
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 4 ms 384 KB Output is correct

Subtask #3
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 4 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 4 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 4 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 4 ms 384 KB Output is correct
49 Correct 5 ms 384 KB Output is correct
50 Correct 4 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 5 ms 256 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 4 ms 384 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 4 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 5 ms 384 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 4 ms 384 KB Output is correct
64 Correct 5 ms 384 KB Output is correct
65 Correct 5 ms 384 KB Output is correct
66 Correct 5 ms 384 KB Output is correct
67 Correct 5 ms 384 KB Output is correct
68 Correct 5 ms 384 KB Output is correct
69 Correct 5 ms 384 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 4 ms 384 KB Output is correct
72 Correct 5 ms 384 KB Output is correct
73 Correct 5 ms 384 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 5 ms 384 KB Output is correct
76 Correct 5 ms 512 KB Output is correct
77 Correct 4 ms 384 KB Output is correct
78 Correct 5 ms 384 KB Output is correct
79 Correct 5 ms 384 KB Output is correct
80 Correct 5 ms 384 KB Output is correct
81 Correct 4 ms 384 KB Output is correct
82 Correct 5 ms 384 KB Output is correct
83 Correct 5 ms 384 KB Output is correct
84 Correct 4 ms 384 KB Output is correct
85 Correct 5 ms 384 KB Output is correct
86 Correct 5 ms 384 KB Output is correct
87 Correct 5 ms 384 KB Output is correct
88 Correct 5 ms 384 KB Output is correct
89 Correct 5 ms 384 KB Output is correct
90 Correct 5 ms 384 KB Output is correct
91 Correct 5 ms 384 KB Output is correct
92 Correct 5 ms 384 KB Output is correct
93 Correct 5 ms 384 KB Output is correct
94 Correct 4 ms 384 KB Output is correct
95 Correct 4 ms 384 KB Output is correct
96 Correct 5 ms 384 KB Output is correct
97 Correct 5 ms 384 KB Output is correct
98 Correct 4 ms 384 KB Output is correct
99 Correct 5 ms 384 KB Output is correct
100 Correct 5 ms 384 KB Output is correct
101 Correct 5 ms 384 KB Output is correct
102 Correct 5 ms 384 KB Output is correct
103 Correct 4 ms 384 KB Output is correct
104 Correct 5 ms 384 KB Output is correct
105 Correct 5 ms 384 KB Output is correct
106 Correct 4 ms 384 KB Output is correct
107 Correct 4 ms 384 KB Output is correct
108 Correct 5 ms 384 KB Output is correct
109 Correct 5 ms 384 KB Output is correct
110 Correct 4 ms 384 KB Output is correct
111 Correct 4 ms 384 KB Output is correct
112 Correct 5 ms 384 KB Output is correct
113 Correct 4 ms 384 KB Output is correct
114 Correct 5 ms 384 KB Output is correct
115 Correct 5 ms 384 KB Output is correct
116 Correct 5 ms 384 KB Output is correct
117 Correct 5 ms 384 KB Output is correct
118 Correct 5 ms 384 KB Output is correct
119 Correct 5 ms 384 KB Output is correct
120 Correct 5 ms 384 KB Output is correct
121 Correct 5 ms 384 KB Output is correct
122 Correct 4 ms 384 KB Output is correct
123 Correct 5 ms 384 KB Output is correct
124 Correct 5 ms 384 KB Output is correct
125 Correct 5 ms 384 KB Output is correct
126 Correct 4 ms 384 KB Output is correct
127 Correct 4 ms 384 KB Output is correct
128 Correct 5 ms 384 KB Output is correct
129 Correct 5 ms 384 KB Output is correct
130 Correct 5 ms 384 KB Output is correct
131 Correct 4 ms 384 KB Output is correct
132 Correct 5 ms 384 KB Output is correct
133 Correct 4 ms 384 KB Output is correct
134 Correct 4 ms 384 KB Output is correct
135 Correct 5 ms 384 KB Output is correct
136 Correct 5 ms 384 KB Output is correct
137 Correct 4 ms 384 KB Output is correct
138 Correct 5 ms 384 KB Output is correct
139 Correct 4 ms 384 KB Output is correct
140 Correct 4 ms 384 KB Output is correct
141 Correct 5 ms 384 KB Output is correct
142 Correct 5 ms 384 KB Output is correct
143 Correct 5 ms 384 KB Output is correct
144 Correct 5 ms 384 KB Output is correct
145 Correct 5 ms 384 KB Output is correct
146 Correct 4 ms 384 KB Output is correct
147 Correct 5 ms 384 KB Output is correct
148 Correct 5 ms 384 KB Output is correct
149 Correct 5 ms 384 KB Output is correct