QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #18330 | #2265. Short Coding | Wu_Ren# | AC ✓ | 13ms | 3924kb | C++11 | 1.6kb | 2022-01-17 21:08:44 | 2022-05-04 17:58:17 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,m,K;
int sx,sy,tx,ty,re[5]={0,7,1,9,2},a[5],ans=5,fx[4][2]={{1,0},{0,1},{-1,0},{0,-1}};
char s[20][20];
string nm[]={"","LEFT","RIGHT","FORWARD","IF-OPEN","GOTO"};
struct op{
int ty,w;
}md[13]={{1,0},{2,0},{3,0},{4,0},{4,1},{4,2},{4,3},{4,4},{5,0},{5,1},{5,2},{5,3},{5,4}};
struct sta{
int x,y,dir,p;
bool operator <(const sta &b)const{
return x*10000+y*100+dir*10+p<b.x*10000+b.y*100+b.dir*10+b.p;
}
};
map<sta,bool>vis;
bool chk(int k){
vis.clear();
sta nw={sx,sy,0,0};
while(nw.x!=tx||nw.y!=ty){
if(vis[nw]) return 0;
vis[nw]=1;
op x=md[a[nw.p]];
if(x.ty==1){
nw.dir=(nw.dir+1)&3;
nw.p=(nw.p+1)%k;
}
if(x.ty==2){
nw.dir=(nw.dir+3)&3;
nw.p=(nw.p+1)%k;
}
if(x.ty==3){
int xx=nw.x+fx[nw.dir][0],yy=nw.y+fx[nw.dir][1];
if(1<=xx&&xx<=n&&1<=yy&&yy<=m&&s[xx][yy]!='#') nw.x=xx,nw.y=yy;
nw.p=(nw.p+1)%k;
}
if(x.ty==4){
int xx=nw.x+fx[nw.dir][0],yy=nw.y+fx[nw.dir][1];
if(1<=xx&&xx<=n&&1<=yy&&yy<=m&&s[xx][yy]!='#') nw.p=x.w;
else nw.p=(nw.p+1)%k;
}
if(x.ty==5) nw.p=x.w;
}
return 1;
}
void dfs(int d){
if(d>=ans) return;
if(d&&chk(d)){
ans=d;
for(int i=0;i<d;i++) re[i]=a[i];
}
for(int i=0;i<13;i++) a[d]=i,dfs(d+1);
}
int main(){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++){
scanf("%s",s[i]+1);
for(int j=1;j<=m;j++){
if(s[i][j]=='S') sx=i,sy=j;
if(s[i][j]=='G') tx=i,ty=j;
}
}
dfs(0);
printf("%d\n",ans);
for(int i=0;i<ans;i++){
cout<<nm[md[re[i]].ty];
if(md[re[i]].ty>=4) printf(" %d\n",md[re[i]].w+1);
else puts("");
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3744kb
input:
4 2 S# .# .# G.
output:
1 FORWARD
result:
ok correct answer!
Test #2:
score: 0
Accepted
time: 1ms
memory: 3832kb
input:
3 6 ##S..# #..##. .G..#.
output:
2 FORWARD RIGHT
result:
ok correct answer!
Test #3:
score: 0
Accepted
time: 4ms
memory: 3740kb
input:
3 7 ....S## .#.#... ##.#.G#
output:
2 FORWARD LEFT
result:
ok correct answer!
Test #4:
score: 0
Accepted
time: 3ms
memory: 3692kb
input:
4 8 ...S.#.# ##..#.#. ###...#. #.#.#G.#
output:
3 FORWARD FORWARD LEFT
result:
ok correct answer!
Test #5:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
3 5 .S#.. ..... ..#G.
output:
3 FORWARD LEFT FORWARD
result:
ok correct answer!
Test #6:
score: 0
Accepted
time: 6ms
memory: 3744kb
input:
10 10 .....S#... ...#...... ....##.... .#.....#.. ....#..... ..#....... ...#...... .......... .#...#.... G.#..#...#
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #7:
score: 0
Accepted
time: 1ms
memory: 3888kb
input:
7 9 .##S.#..# ......... ......... ...#...## ###..#### ........# .....##G#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #8:
score: 0
Accepted
time: 4ms
memory: 3828kb
input:
3 9 ..#.#.#S# #...#...# .G....#.#
output:
3 FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #9:
score: 0
Accepted
time: 2ms
memory: 3832kb
input:
4 5 #S... ..#.. .#..# .#.G#
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #10:
score: 0
Accepted
time: 5ms
memory: 3820kb
input:
6 8 ..S..#.# ...#...# ....#..# #.#.##.. .......# .#..#G.#
output:
4 FORWARD LEFT FORWARD RIGHT
result:
ok correct answer!
Test #11:
score: 0
Accepted
time: 4ms
memory: 3828kb
input:
9 10 S......... .#..#....# ........#. .......... .....#.#.. .#...#.... #..#.##.#. ..#..#...# ..#.#....G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #12:
score: 0
Accepted
time: 1ms
memory: 3816kb
input:
10 4 #.S. .#.# ##.# ##.. .#.. #... #.## ..#. .#.. G.##
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #13:
score: 0
Accepted
time: 2ms
memory: 3684kb
input:
9 9 #..#...S# .#...##.# .....##.. ..#..#... ..#..#..# .#..#.#.# .###..... ..#.#.##. G#....#.#
output:
4 RIGHT FORWARD LEFT FORWARD
result:
ok correct answer!
Test #14:
score: 0
Accepted
time: 2ms
memory: 3740kb
input:
7 3 .S# #.. ..# ... ..# .#. .G.
output:
4 FORWARD FORWARD FORWARD LEFT
result:
ok correct answer!
Test #15:
score: 0
Accepted
time: 6ms
memory: 3812kb
input:
6 6 ..#S.. #.#.#. .....# #.#... ..#... ..G##.
output:
4 FORWARD FORWARD LEFT FORWARD
result:
ok correct answer!
Test #16:
score: 0
Accepted
time: 6ms
memory: 3828kb
input:
6 8 ....#S.. ......#. ..##..#. ###.#.## ..#...#. ##.G#..#
output:
4 FORWARD FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #17:
score: 0
Accepted
time: 5ms
memory: 3740kb
input:
10 8 #..S.### .#....## .#...... ....#.#. #...#..# ........ ....#.## ...#.### .#.#...# .#...G.#
output:
4 FORWARD LEFT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #18:
score: 0
Accepted
time: 6ms
memory: 3716kb
input:
7 6 ...##S #..... ....#. ...#.# ....#. #..... .....G
output:
4 FORWARD RIGHT FORWARD IF-OPEN 3
result:
ok correct answer!
Test #19:
score: 0
Accepted
time: 5ms
memory: 3812kb
input:
4 8 .##..S.. #.###..# .#...#.. ...#G...
output:
4 RIGHT FORWARD FORWARD FORWARD
result:
ok correct answer!
Test #20:
score: 0
Accepted
time: 5ms
memory: 3712kb
input:
3 10 ##.......S ####.####. ...#..G##.
output:
4 RIGHT FORWARD LEFT IF-OPEN 2
result:
ok correct answer!
Test #21:
score: 0
Accepted
time: 3ms
memory: 3776kb
input:
2 7 .#S.### .#.G..#
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #22:
score: 0
Accepted
time: 4ms
memory: 3828kb
input:
2 7 .S#.#.# G#.##.#
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #23:
score: 0
Accepted
time: 3ms
memory: 3780kb
input:
2 4 ...S ##G#
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #24:
score: 0
Accepted
time: 1ms
memory: 3820kb
input:
2 7 S...... .G.....
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #25:
score: 0
Accepted
time: 3ms
memory: 3824kb
input:
2 3 #S# ..G
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #26:
score: 0
Accepted
time: 3ms
memory: 3808kb
input:
2 4 #.S# #G##
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #27:
score: 0
Accepted
time: 1ms
memory: 3828kb
input:
3 6 .#S### #....# #G.#..
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #28:
score: 0
Accepted
time: 3ms
memory: 3832kb
input:
2 4 S.#. #G##
output:
2 RIGHT FORWARD
result:
ok correct answer!
Test #29:
score: 0
Accepted
time: 3ms
memory: 3792kb
input:
2 5 ##..S ...G.
output:
2 LEFT FORWARD
result:
ok correct answer!
Test #30:
score: 0
Accepted
time: 2ms
memory: 3688kb
input:
2 9 #S###.... G..##..##
output:
2 RIGHT FORWARD
result:
ok correct answer!
Test #31:
score: 0
Accepted
time: 4ms
memory: 3824kb
input:
6 10 ....S...## .#...#.... .......... .#.#...#.. ...#.##... .G#...#...
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #32:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
3 3 S.. ##. ##G
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #33:
score: 0
Accepted
time: 1ms
memory: 3672kb
input:
5 5 ..S.. .##.. .#### ..#.. G.#.#
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #34:
score: 0
Accepted
time: 3ms
memory: 3684kb
input:
4 6 S#.... ....#. #..... #...G.
output:
3 LEFT FORWARD FORWARD
result:
ok correct answer!
Test #35:
score: 0
Accepted
time: 4ms
memory: 3828kb
input:
3 6 .#..S# ..#..# .##G.#
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #36:
score: 0
Accepted
time: 3ms
memory: 3832kb
input:
4 3 ..S .#. ..# G..
output:
3 LEFT FORWARD FORWARD
result:
ok correct answer!
Test #37:
score: 0
Accepted
time: 4ms
memory: 3824kb
input:
5 3 S.. ##. ... ... .G.
output:
3 RIGHT FORWARD FORWARD
result:
ok correct answer!
Test #38:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
8 2 .S .. .. .. .. .. .# G.
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #39:
score: 0
Accepted
time: 3ms
memory: 3820kb
input:
3 7 ...#..S #.#.... ....G..
output:
3 LEFT FORWARD FORWARD
result:
ok correct answer!
Test #40:
score: 0
Accepted
time: 0ms
memory: 3712kb
input:
3 9 #......S. ...#.#... .G.#.#...
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #41:
score: 0
Accepted
time: 3ms
memory: 3828kb
input:
2 9 .##..S... ##..##G.#
output:
4 LEFT LEFT FORWARD LEFT
result:
ok correct answer!
Test #42:
score: 0
Accepted
time: 1ms
memory: 3808kb
input:
4 6 S..#.# ..#... ...... ..#G#.
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #43:
score: 0
Accepted
time: 2ms
memory: 3828kb
input:
4 9 #..##S..# ##..#...# #.......# ####.#G##
output:
4 LEFT LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #44:
score: 0
Accepted
time: 3ms
memory: 3792kb
input:
3 8 ....S... .....#.. ..#G#...
output:
4 FORWARD RIGHT FORWARD LEFT
result:
ok correct answer!
Test #45:
score: 0
Accepted
time: 0ms
memory: 3832kb
input:
4 9 .#.S##### ..#.###.. .#....#.# .####.G.#
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #46:
score: 0
Accepted
time: 3ms
memory: 3812kb
input:
4 3 ..S ... ... #G#
output:
4 LEFT LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #47:
score: 0
Accepted
time: 2ms
memory: 3812kb
input:
2 7 #...S.. ..#G##.
output:
4 LEFT LEFT FORWARD RIGHT
result:
ok correct answer!
Test #48:
score: 0
Accepted
time: 5ms
memory: 3828kb
input:
5 6 ...S.. ...#.. ...#.. ...#.# #G..#.
output:
4 RIGHT FORWARD IF-OPEN 1 RIGHT
result:
ok correct answer!
Test #49:
score: 0
Accepted
time: 4ms
memory: 3776kb
input:
4 8 .#...#.S ..###... ........ ....G..#
output:
4 LEFT LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #50:
score: 0
Accepted
time: 3ms
memory: 3688kb
input:
3 4 #S.. ##.. .#G#
output:
4 LEFT FORWARD RIGHT IF-OPEN 2
result:
ok correct answer!
Test #51:
score: 0
Accepted
time: 0ms
memory: 3832kb
input:
4 6 #.S.#. #..#.. ..#... ..G##.
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #52:
score: 0
Accepted
time: 2ms
memory: 3672kb
input:
4 5 #..S. #.#.. ..#.. G#..#
output:
4 RIGHT FORWARD LEFT FORWARD
result:
ok correct answer!
Test #53:
score: 0
Accepted
time: 7ms
memory: 3924kb
input:
5 5 #.#S# #...# ##.## ##..# .##.G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #54:
score: 0
Accepted
time: 4ms
memory: 3812kb
input:
5 6 ##S..# ...#.. ...#.# ...#.. ..#G.#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #55:
score: 0
Accepted
time: 1ms
memory: 3808kb
input:
6 4 ...S ..#. .... .... .... G...
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #56:
score: 0
Accepted
time: 3ms
memory: 3676kb
input:
5 6 ....S. ...... ...... ....#. ....G.
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #57:
score: 0
Accepted
time: 1ms
memory: 3716kb
input:
4 5 S###. .#### .#### ..G##
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #58:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
6 5 ...S. ...#. .#... ..##. .##.. .G#..
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #59:
score: 0
Accepted
time: 2ms
memory: 3788kb
input:
5 4 ..S. #... .#.. ..#. G...
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #60:
score: 0
Accepted
time: 3ms
memory: 3716kb
input:
5 5 ..#S# .#..# ....# ..#.# ###G.
output:
1 FORWARD
result:
ok correct answer!
Test #61:
score: 0
Accepted
time: 1ms
memory: 3880kb
input:
10 10 #...S..#.. ..#...#... ..#.#.#... ...#....## ##.....#.# .....#.##. .....#...# ...###.... ..#.#..... .#.#....#G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #62:
score: 0
Accepted
time: 1ms
memory: 3812kb
input:
10 10 .#..S#...# .....#.... ...#...#.# .##..#.... #....###.# ........## ...#..#... ##.#....## ...#....#. #.#G...#.#
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #63:
score: 0
Accepted
time: 1ms
memory: 3820kb
input:
10 10 .......S.. .......... .......... .......... ........#. .......... .......... .......... .......... ........G.
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #64:
score: 0
Accepted
time: 7ms
memory: 3792kb
input:
10 10 ....#S.#.# .#....#... .....#..#. ....#..#.. .#.....#.# .......### #....#.#.. .......... .#.#.##... #....G.#..
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #65:
score: 0
Accepted
time: 13ms
memory: 3676kb
input:
10 10 #...#..#.S .##..#.... ..###.#... ##.##.##.. #.#..##..# .##.##...# ..#.##..#. ...#...##. .#.#....## #.##..G##.
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #66:
score: 0
Accepted
time: 3ms
memory: 3684kb
input:
10 10 .........S .......... ..#....... .......... .....#.... .#........ .......... .......... .......#.. .G.......#
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #67:
score: 0
Accepted
time: 10ms
memory: 3792kb
input:
10 10 .....#...S ...#....#. ......#.## ..#......# #.#.##.#.. ..#.##.#.. .......#.. #...#..... #.#....#.. .#...#..#G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #68:
score: 0
Accepted
time: 3ms
memory: 3828kb
input:
10 10 ......S... .......... .......... .......... .......... ...#....#. .......... #.....#... .......... .....#G...
output:
3 RIGHT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #69:
score: 0
Accepted
time: 7ms
memory: 3684kb
input:
10 10 ......##S. ........#. ....###... ....#.#..# .##....#.# .....#.... .....#.... ..##...... ....#.#.#. .#....G...
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #70:
score: 0
Accepted
time: 11ms
memory: 3828kb
input:
10 10 #.S#..#... .......#.# #..##..#.# #...#...#. #.###..##. .....#.#.# #.#..#...# ..##.#.#.# ####..#... ##..G#.#.#
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #71:
score: 0
Accepted
time: 13ms
memory: 3720kb
input:
10 10 S#...#.... .#.#.#.##. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. .#.#.#.##. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. ...#...##G
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!
Test #72:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
10 10 S#..#...#. .#.....#.. .#.....#.. .........# ##.#.#.#.. .#.#.#.#.. .#.#.#.#.# .#.#.#.#.. .#.#.#.#.. ...#...#.G
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #73:
score: 0
Accepted
time: 4ms
memory: 3688kb
input:
10 10 S.#.#.#.#. #..#.#.#.# .#..#.#.#. #.#..#.#.# .#.#..#.#. #.#.#..#.# .#.#.#..#. #.#.#.#..# .#.#.#.#.. #.#.#.#.#G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #74:
score: 0
Accepted
time: 1ms
memory: 3832kb
input:
10 10 S......... .########. .#......#. .#......#. .#......#. .#......#. .#......#. .#......#. .########. .........G
output:
3 LEFT FORWARD IF-OPEN 2
result:
ok correct answer!
Test #75:
score: 0
Accepted
time: 3ms
memory: 3816kb
input:
10 10 S.#....... #.###.#### #......#.# ##.###.... .#.#...#.# ...#####.# .#.#.#...# .#.#...### ##.#####.# .........G
output:
4 LEFT FORWARD RIGHT FORWARD
result:
ok correct answer!
Test #76:
score: 0
Accepted
time: 7ms
memory: 3824kb
input:
10 10 S.#....... #.###.#### #......#.# ##.###.... .#.#...#.# ...#####.# .#.#.#...# .#.#...### ##.#####.# G.........
output:
5 LEFT IF-OPEN 5 RIGHT GOTO 2 FORWARD
result:
ok correct answer!