oj.uz

Submission #530714

# Submission time Handle Problem Language Result Execution time Memory
530714 2022-02-26T14:27:30 Z Alan Mecho (IOI09_mecho) C++17
78 / 100
 1000 ms 6576 KB 
#include <bits/stdc++.h>
#define I using
#define WA using namespace std;
#define on using ll = long long;
#define Test(x) int AlanIQ = -(x);
#define should ld =
#define quit long double;
#define OI int
#define forever main
#define Alan cin.tie(0);
#define fai(x) ios::ios_base::sync_with_stdio(!x);
#define Sharky return
#define orz 0;

WA on Test (109)

struct bee {
	int r, c, t;
};

I should quit OI forever () {
	Alan fai (true)
	int n, s;
	char ch;
	cin >> n >> s;
	int grid[n][n], best[n][n], startr, startc, endr, endc;
	queue<bee> q;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			cin >> ch;
			best[i][j] = -1;
			if (ch == 'T') grid[i][j] = 1e9;
			else if (ch == 'G') grid[i][j] = 0;
			else if (ch == 'M') {
				startr = i;
				startc = j;
				grid[i][j] = 0;
			} else if (ch == 'D') {
				endr = i;
				endc = j;
				grid[i][j] = 1e8;
			} else if (ch == 'H') {
				q.push({i, j, 0});
				grid[i][j] = 1e9;
			}
		}
	}
	while (!q.empty()) {
		int r = q.front().r;
		int c = q.front().c;
		int t = q.front().t;
		q.pop();
		if (c < n-1 && !grid[r][c+1]) {q.push({r, c+1, t+1}); grid[r][c+1] = t+1;}
		if (c > 0 && !grid[r][c-1]) {q.push({r, c-1, t+1}); grid[r][c-1] = t+1;}
		if (r < n-1 && !grid[r+1][c]) {q.push({r+1, c, t+1}); grid[r+1][c] = t+1;}
		if (r > 0 && !grid[r-1][c]) {q.push({r-1, c, t+1}); grid[r-1][c] = t+1;}
	}
	best[startr][startc] = 1e9;
	q.push({startr, startc, 0});
	while (!q.empty()) {
		int r = q.front().r;
		int c = q.front().c;
		int t = q.front().t;
		int ttt = (t+2) / s + !!((t+2) % s);
		int cur = best[r][c];
		q.pop();
		if (c < n-1 && grid[r][c+1] != 1e9 && min(cur, grid[r][c+1]-ttt) > best[r][c+1]) {q.push({r, c+1, t+1}); best[r][c+1] = min(cur, grid[r][c+1]-ttt);}
		if (c > 0 && grid[r][c-1] != 1e9 && min(cur, grid[r][c-1]-ttt) > best[r][c-1]) {q.push({r, c-1, t+1}); best[r][c-1] = min(cur, grid[r][c-1]-ttt);}
		if (r < n-1 && grid[r+1][c] != 1e9 && min(cur, grid[r+1][c]-ttt) > best[r+1][c]) {q.push({r+1, c, t+1}); best[r+1][c] = min(cur, grid[r+1][c]-ttt);}
		if (r > 0 && grid[r-1][c] != 1e9 && min(cur, grid[r-1][c]-ttt) > best[r-1][c]) {q.push({r-1, c, t+1}); best[r-1][c] = min(cur, grid[r-1][c]-ttt);}
	}

	cout << (best[endr][endc] >= 0 ? best[endr][endc] : -1) << "\n";

	Sharky orz
}

Compilation message

mecho.cpp: In function 'int main()':
mecho.cpp:73:26: warning: 'endc' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  cout << (best[endr][endc] >= 0 ? best[endr][endc] : -1) << "\n";
      |           ~~~~~~~~~~~~~~~^
mecho.cpp:58:23: warning: 'startr' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |  best[startr][startc] = 1e9;
      |  ~~~~~~~~~~~~~~~~~~~~~^~~~~
mecho.cpp:73:26: warning: 'endr' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  cout << (best[endr][endc] >= 0 ? best[endr][endc] : -1) << "\n";
      |           ~~~~~~~~~~~~~~~^
mecho.cpp:58:23: warning: 'startc' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |  best[startr][startc] = 1e9;
      |  ~~~~~~~~~~~~~~~~~~~~~^~~~~

Subtask #1
78.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 31 ms 6064 KB Output is correct
8 Correct 0 ms 320 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Incorrect 1 ms 332 KB Output isn't correct
13 Incorrect 1 ms 332 KB Output isn't correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 320 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 4 ms 1348 KB Output is correct
34 Correct 5 ms 1388 KB Output is correct
35 Correct 98 ms 1476 KB Output is correct
36 Correct 6 ms 1696 KB Output is correct
37 Correct 5 ms 1608 KB Output is correct
38 Correct 154 ms 1876 KB Output is correct
39 Correct 6 ms 1972 KB Output is correct
40 Correct 7 ms 2072 KB Output is correct
41 Correct 230 ms 2288 KB Output is correct
42 Correct 8 ms 2508 KB Output is correct
43 Correct 10 ms 2508 KB Output is correct
44 Correct 307 ms 2764 KB Output is correct
45 Correct 9 ms 2892 KB Output is correct
46 Correct 10 ms 2952 KB Output is correct
47 Correct 389 ms 3276 KB Output is correct
48 Correct 11 ms 3404 KB Output is correct
49 Correct 12 ms 3364 KB Output is correct
50 Correct 516 ms 3856 KB Output is correct
51 Correct 14 ms 4036 KB Output is correct
52 Correct 14 ms 3916 KB Output is correct
53 Correct 641 ms 4464 KB Output is correct
54 Correct 16 ms 4608 KB Output is correct
55 Correct 15 ms 4620 KB Output is correct
56 Correct 845 ms 5124 KB Output is correct
57 Correct 16 ms 5196 KB Output is correct
58 Correct 19 ms 5260 KB Output is correct
59 Execution timed out 1036 ms 5840 KB Time limit exceeded
60 Correct 20 ms 5824 KB Output is correct
61 Correct 22 ms 5920 KB Output is correct
62 Execution timed out 1065 ms 6576 KB Time limit exceeded
63 Correct 37 ms 5944 KB Output is correct
64 Correct 42 ms 5836 KB Output is correct
65 Correct 49 ms 5944 KB Output is correct
66 Correct 37 ms 6064 KB Output is correct
67 Correct 34 ms 5956 KB Output is correct
68 Correct 29 ms 5968 KB Output is correct
69 Correct 30 ms 5936 KB Output is correct
70 Correct 28 ms 5964 KB Output is correct
71 Correct 31 ms 5964 KB Output is correct
72 Incorrect 34 ms 5948 KB Output isn't correct
73 Incorrect 29 ms 6340 KB Output isn't correct
74 Correct 51 ms 6212 KB Output is correct
75 Correct 35 ms 6328 KB Output is correct
76 Correct 30 ms 6348 KB Output is correct
77 Correct 32 ms 6292 KB Output is correct
78 Correct 30 ms 6220 KB Output is correct
79 Correct 219 ms 6192 KB Output is correct
80 Correct 41 ms 6304 KB Output is correct
81 Correct 29 ms 6324 KB Output is correct
82 Correct 72 ms 6296 KB Output is correct
83 Correct 28 ms 6220 KB Output is correct
84 Correct 85 ms 6240 KB Output is correct
85 Correct 108 ms 6240 KB Output is correct
86 Correct 153 ms 6236 KB Output is correct
87 Correct 43 ms 6220 KB Output is correct
88 Correct 81 ms 6172 KB Output is correct
89 Correct 264 ms 6204 KB Output is correct
90 Correct 40 ms 6168 KB Output is correct
91 Correct 49 ms 6060 KB Output is correct
92 Correct 31 ms 6044 KB Output is correct