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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#796823#9564. Hey, Have You Seen My Kangaroo?fryanWA 224ms57804kbC++145.0kb2024-12-02 06:18:562024-12-02 06:18:56

Judging History

你现在查看的是最新测评结果

  • [2024-12-02 06:18:56]
  • 评测
  • 测评结果:WA
  • 用时:224ms
  • 内存:57804kb
  • [2024-12-02 06:18:56]
  • 提交

answer

#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()
#define int long long
#define V vector

const int inf = 1e9;
const int mxn = 4e5+50;

void chmin(int &a, int b) {
	a = min(a,b);
}

int n,m,k;
V<V<int>> g;
string s;
V<V<int>> gg[2];
V<array<int,2>> mg;

int kil[mxn],to[mxn];
int in_deg[mxn];
int depth[mxn];

vector<int> adj[mxn];
vector<array<int,3>> iter_order;

queue<int> topsort;

int cnt = 0, ans[mxn];

signed main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);
	
	cin>>n>>m>>k>>s;
	g.resize(n+5);
	
	g[0].resize(m+5);
	g[n+1].resize(m+5);
	
	for (int i=1; i<=n; i++) {
		g[i].resize(m+5);
		for (int j=1; j<=m; j++) {
			char c; cin>>c;
			g[i][j] = c-'0';
			if (g[i][j]) cnt++;
		}
	}
	
	//macro
	for (int x=1; x<=n; x++)
		for (int y=1; y<=m; y++) {
			if (!g[x][y]) continue;
			int cx = x, cy = y;
			for (int i=0; i<k; i++) {
				if (s[i]=='U') {if (g[cx-1][cy]) cx--;}
				else if (s[i]=='D') {if (g[cx+1][cy]) cx++;}
				else if (s[i]=='L') {if (g[cx][cy-1]) cy--;}
				else if (s[i]=='R') {if (g[cx][cy+1]) cy++;}
			}
			to[x*m+y] = cx*m+cy;
			in_deg[cx*m+cy]++;
			adj[cx*m+cy].push_back(x*m+y);
		}
	for (int x=1; x<=n; x++)
		for (int y=1; y<=m; y++)
			if (g[x][y] && !in_deg[x*m+y])
				topsort.push(x*m+y);
	fill(depth,depth+mxn,1);
	while (sz(topsort)) {
		int v = topsort.front(); topsort.pop();
		depth[to[v]] = max(depth[to[v]],depth[v]+1);
		in_deg[to[v]]--;
		if (!in_deg[to[v]]) {topsort.push(to[v]);}
	}
	for (int x=1; x<=n; x++)
		for (int y=1; y<=m; y++)
			if (g[x][y] && in_deg[x*m+y])
				depth[x*m+y] = inf;
	
	//micro
	int cp = 0, pp = 1;
	gg[0].resize(n+5); gg[1].resize(n+5);gg[0][0].resize(m+5);
	gg[0][n+1].resize(m+5);gg[1][0].resize(m+5);gg[1][n+1].resize(m+5);
	for (int i=1; i<=n; i++) {
		gg[0][i].resize(m+5);
		gg[1][i].resize(m+5);
		for (int j=1; j<=m; j++) if (g[i][j]) gg[cp][i][j] = i*m+j;
	}
	
	fill(kil,kil+mxn,inf);
	
//	memset(kil,0x3f,sizeof(kil));
	
	for (int i=0; i<k; i++) {
		swap(cp,pp);
		for (int x=1; x<=n; x++) 
			for (int y=1; y<=m; y++) 
				gg[cp][x][y] = 0;
		for (int x=1; x<=n; x++)
			for (int y=1; y<=m; y++) {
				if (!gg[pp][x][y]) continue;
				if (s[i]=='U') {
					if (g[x-1][y]) {
						if (gg[cp][x-1][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x-1][y]]) {swap(gg[pp][x][y],gg[cp][x-1][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x-1][y] = gg[pp][x][y];
					} else {
						if (gg[cp][x][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y]]) {swap(gg[pp][x][y],gg[cp][x][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y] = gg[pp][x][y];
					}
				} else if (s[i]=='D') {
					if (g[x+1][y]) {
						if (gg[cp][x+1][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x+1][y]]) {swap(gg[pp][x][y],gg[cp][x+1][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x+1][y] = gg[pp][x][y];
					} else {
						if (gg[cp][x][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y]]) {swap(gg[pp][x][y],gg[cp][x][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y] = gg[pp][x][y];
					}
				} else if (s[i]=='L') {
					if (g[x][y-1]) {
						if (gg[cp][x][y-1]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y-1]]) {swap(gg[pp][x][y],gg[cp][x][y-1]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y-1] = gg[pp][x][y];
					} else {
						if (gg[cp][x][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y]]) {swap(gg[pp][x][y],gg[cp][x][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y] = gg[pp][x][y];
					}
				} else if (s[i]=='R') {
					if (g[x][y+1]) {
						if (gg[cp][x][y+1]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y+1]]) {swap(gg[pp][x][y],gg[cp][x][y+1]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y+1] = gg[pp][x][y];
					} else {
						if (gg[cp][x][y]) {
							if (depth[gg[pp][x][y]] > depth[gg[cp][x][y]]) {swap(gg[pp][x][y],gg[cp][x][y]);}
							kil[gg[pp][x][y]] = i;
						} else gg[cp][x][y] = gg[pp][x][y];
					}
				}
			}
	}
	
	for (int x=1; x<=n; x++)
		for (int y=1; y<=m; y++)
			if (g[x][y] && sz(adj[x*m+y]))
				iter_order.push_back({depth[x*m+y],x,y});
	
	vector<int> kill_times;
	
	sort(all(iter_order));
	for (auto [D,X,Y] : iter_order) {
		int lock = adj[X*m+Y][0];
		for (int i : adj[X*m+Y]) {
			if (depth[i] > depth[lock]) lock = i;
		}
		for (int i : adj[X*m+Y]) {
			if (i==lock) continue;
			for (int j=0; j<depth[i]; j++) {
				kill_times.push_back(kil[i]+j*k+1);
				if (kil[i]+j*k+1==1000000001) {
					cout<<i<<": "<<depth[i]<<" "<<sz(adj[i])<<"\n";
				}
			}
		}
	}
	
	if (n==5) return 0;
	
	sort(all(kill_times));
	reverse(all(kill_times));
	
	int cn = cnt;
	while (sz(kill_times)) {
		int t = kill_times.back();
		ans[--cn] = t;
		kill_times.pop_back();
	}
	for (int i=1; i<cn; i++) ans[i] = -1;
	for (int i=1; i<=m*n; i++) {
		cout<<ans[i]<<"\n";
	}
	
}

/*
bad:
4,4178
*/

詳細信息

Test #1:

score: 100
Accepted
time: 4ms
memory: 23212kb

input:

3 3 6
ULDDRR
010
111
010

output:

-1
4
2
1
0
0
0
0
0

result:

ok 9 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 25132kb

input:

3 3 6
ULDDRR
010
111
011

output:

7
4
2
1
1
0
0
0
0

result:

ok 9 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 23776kb

input:

1 5 1
R
11111

output:

4
3
2
1
0

result:

ok 5 number(s): "4 3 2 1 0"

Test #4:

score: 0
Accepted
time: 224ms
memory: 57804kb

input:

1 200000 200
RDRLDRULURDLDRULLRULLRRULRULRDLLDLRUDDLRURLURLULDRUUURDLUDUDLLLLLURRDURLUDDRRLRRURUUDDLLDDUUUDUULRLRUDULRRUURUDDDDLULULLLLLLLLLLLUDURLURLRLLRRRURUURLUDULDUULRRLULLRUDRDRUUDDRUDRDLLDLURDDDURLUULDRRDLDD
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

3999923
3999865
3999864
3999740
3999729
3999728
3999727
3999726
3999725
3999724
3999723
3999665
3999664
3999540
3999529
3999528
3999527
3999526
3999525
3999524
3999523
3999465
3999464
3999340
3999329
3999328
3999327
3999326
3999325
3999324
3999323
3999265
3999264
3999140
3999129
3999128
3999127
3999...

result:

ok 200000 numbers

Test #5:

score: 0
Accepted
time: 202ms
memory: 45052kb

input:

2 100000 200
UULDRDLURDLDDRDRDUULDLUUULLRURLUUDDDRURURLLRRUDLDDDUDDRRUUURDDULURURLRULLUDLULURUUDURLDRRRDULRDLRRLDUUUDDUUDUDRDRUDLDRRUDRDLDRDLDRRDLRRDRDLRRLUDUDRULLRRLDDLUDDULDRLLLDLURRDDULDDUDULLRRRUURLRRRLURDLRLU
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
384513
384490
384313
384290
384113
384090
383913
383890
383713
383690
383513
383490
383313
383290
383113
383090
382913
382890
382713
382690
382513
382490
382313
382290
382113
382090
381913
381890
381713
381690
381513
381490
381313
381290
381113
381090
380...

result:

ok 200000 numbers

Test #6:

score: -100
Wrong Answer
time: 171ms
memory: 40908kb

input:

5 40000 200
URDDRRUDURLDLUUDUUDDLRRRURULURDRRURRURULUULRRLDLLDUURRDRUULRULULUDRURRRURDDLLDDRLLLUDUDLLDDULUUUULDLDUDLULLDRURRDRDULURLLLUDLRRRDRLUDDUURULURRRDLDRUDLURUUULDLURDDDRRLLLDLRRDLDLDRRURRRRDLRRLLULRRLDUULD
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

164178: 1 0
172365: 1 0
194556: 1 0

result:

wrong output format Expected integer, but "164178:" found