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Submission #267234

# Submission time Handle Problem Language Result Execution time Memory
267234 2020-08-16T01:59:36 Z taulant Tower Defense (CEOI19_towerdefense) C++14
100 / 100
 1 ms 416 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"

int32_t main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int x0, y0, x1, y1, d; cin >> x0 >> y0 >> x1 >> y1 >> d;
    if(x0 > x1){ // 1/2 the cases to handle
        swap(x0, x1);
        swap(y0, y1);
    }
    int d1 = abs(y1-y0) + abs(x1-x0);
    if((d1 > d) || ((d1^d) & 1) || (d1 == 1 && d > 1) || (abs(x1-x0) == 1 && abs(y1-y0) == 1 && d == 4)){
        // d is too short, has different parity, special impossible cases
        cout << "impossible" << endl;
        exit(0);
    }
    if(d == d1){
        cout << 0 << endl;
        exit(0);
    }
    if(x1 > x0+1){
        // make a vertical line at x0+1
        if(y1 < y0) swap(y0, y1);
        int l = (d-d1-2)/2;
        cout << y1-y0+1+l+l << endl;
        for(int i=y0-l; i <= y1+l; ++i) cout << x0+1 << " " << i << endl;
    }
    else if(abs(y1-y0) > 1){
        // make horizontal lines at y0 +- 1
        int l = (d-d1-2)/2;
        cout << 2*(x1-x0+1+l+l) << endl;
        for(int i=x0-l; i <= x1+l; ++i) cout << i << " " << y0+1 << endl;
        for(int i=x0-l; i <= x1+l; ++i) cout << i << " " << y0-1 << endl;
    }
    else if(y1 > y0){ //{x1, y1} = {x0+1, y0+1}
        int l = (d - 4)/2;
        cout << d-4 << endl;
        for(int i=1; i<=l; ++i) cout << x0+i << " " << y0 << endl << x0 << " " << y0+i << endl;
    }
    else { //{x1, y1} = {x0+1, y0-1}
        int l = (d - 4)/2;
        cout << d-4 << endl;
        for(int i=1; i<=l; ++i) cout << x0+i << " " << y0 << endl << x0 << " " << y0-i << endl;
    }
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct

Subtask #2
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 360 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 288 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 308 KB Output is correct

Subtask #3
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 360 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 288 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 0 ms 308 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 1 ms 384 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 1 ms 384 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 0 ms 384 KB Output is correct
64 Correct 0 ms 384 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 0 ms 384 KB Output is correct
67 Correct 1 ms 384 KB Output is correct
68 Correct 0 ms 384 KB Output is correct
69 Correct 1 ms 384 KB Output is correct
70 Correct 0 ms 384 KB Output is correct
71 Correct 1 ms 384 KB Output is correct
72 Correct 1 ms 384 KB Output is correct
73 Correct 1 ms 384 KB Output is correct
74 Correct 0 ms 384 KB Output is correct
75 Correct 0 ms 384 KB Output is correct
76 Correct 0 ms 384 KB Output is correct
77 Correct 1 ms 384 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 1 ms 384 KB Output is correct
80 Correct 1 ms 384 KB Output is correct
81 Correct 0 ms 384 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 1 ms 384 KB Output is correct
84 Correct 0 ms 384 KB Output is correct
85 Correct 1 ms 384 KB Output is correct
86 Correct 1 ms 384 KB Output is correct
87 Correct 1 ms 256 KB Output is correct
88 Correct 0 ms 384 KB Output is correct
89 Correct 1 ms 384 KB Output is correct
90 Correct 0 ms 384 KB Output is correct
91 Correct 1 ms 384 KB Output is correct
92 Correct 1 ms 384 KB Output is correct
93 Correct 1 ms 384 KB Output is correct
94 Correct 0 ms 384 KB Output is correct
95 Correct 0 ms 384 KB Output is correct
96 Correct 0 ms 384 KB Output is correct
97 Correct 0 ms 384 KB Output is correct
98 Correct 0 ms 384 KB Output is correct
99 Correct 1 ms 384 KB Output is correct
100 Correct 0 ms 384 KB Output is correct
101 Correct 1 ms 416 KB Output is correct
102 Correct 1 ms 384 KB Output is correct
103 Correct 0 ms 384 KB Output is correct
104 Correct 1 ms 384 KB Output is correct
105 Correct 1 ms 384 KB Output is correct
106 Correct 1 ms 384 KB Output is correct
107 Correct 1 ms 384 KB Output is correct
108 Correct 0 ms 384 KB Output is correct
109 Correct 0 ms 384 KB Output is correct
110 Correct 1 ms 384 KB Output is correct
111 Correct 1 ms 384 KB Output is correct
112 Correct 1 ms 384 KB Output is correct
113 Correct 1 ms 384 KB Output is correct
114 Correct 1 ms 384 KB Output is correct
115 Correct 1 ms 384 KB Output is correct
116 Correct 1 ms 384 KB Output is correct
117 Correct 1 ms 384 KB Output is correct
118 Correct 1 ms 384 KB Output is correct
119 Correct 0 ms 384 KB Output is correct
120 Correct 0 ms 384 KB Output is correct
121 Correct 0 ms 384 KB Output is correct
122 Correct 1 ms 384 KB Output is correct
123 Correct 1 ms 384 KB Output is correct
124 Correct 1 ms 384 KB Output is correct
125 Correct 1 ms 416 KB Output is correct
126 Correct 1 ms 384 KB Output is correct
127 Correct 0 ms 384 KB Output is correct
128 Correct 1 ms 384 KB Output is correct
129 Correct 0 ms 384 KB Output is correct
130 Correct 1 ms 384 KB Output is correct
131 Correct 0 ms 384 KB Output is correct
132 Correct 1 ms 384 KB Output is correct
133 Correct 0 ms 384 KB Output is correct
134 Correct 1 ms 384 KB Output is correct
135 Correct 0 ms 384 KB Output is correct
136 Correct 0 ms 384 KB Output is correct
137 Correct 0 ms 384 KB Output is correct
138 Correct 1 ms 384 KB Output is correct
139 Correct 1 ms 384 KB Output is correct
140 Correct 0 ms 384 KB Output is correct
141 Correct 1 ms 384 KB Output is correct
142 Correct 0 ms 384 KB Output is correct
143 Correct 0 ms 384 KB Output is correct
144 Correct 0 ms 384 KB Output is correct
145 Correct 1 ms 384 KB Output is correct
146 Correct 0 ms 384 KB Output is correct
147 Correct 0 ms 384 KB Output is correct
148 Correct 0 ms 384 KB Output is correct
149 Correct 0 ms 384 KB Output is correct