#include<bits/stdc++.h>
#include "rainbow.h"
#define MAXN 300007
using namespace std;
int n,m,sx,sy,a,b,c,d,x,y,comps;
string w;
map< pair<int,int> , int > mp;
void init(int R, int C, int sr, int sc, int M, char *S) {
n=R; m=C;
sx=sr; sy=sc;
for(int i=0;i<M;i++){
w.push_back(S[i]);
}
}
bool in(int x,int y){
return x>=a and x<=c and y>=b and y<=d;
}
void check(int x,int y){
if(in(x-1,y) and mp[{x-1,y}]==0)mp[{x-1,y}]=1;
if(in(x+1,y) and mp[{x+1,y}]==0)mp[{x+1,y}]=1;
if(in(x,y-1) and mp[{x,y-1}]==0)mp[{x,y-1}]=1;
if(in(x,y+1) and mp[{x,y+1}]==0)mp[{x,y+1}]=1;
if(in(x-1,y-1) and mp[{x-1,y-1}]==0)mp[{x-1,y-1}]=1;
if(in(x+1,y+1) and mp[{x+1,y+1}]==0)mp[{x+1,y+1}]=1;
if(in(x+1,y-1) and mp[{x+1,y-1}]==0)mp[{x+1,y-1}]=1;
if(in(x-1,y+1) and mp[{x-1,y+1}]==0)mp[{x-1,y+1}]=1;
}
void dfs(int x,int y){
mp[{x,y}]=2;
if(mp[{x-1,y}]==1)dfs(x-1,y);
if(mp[{x+1,y}]==1)dfs(x+1,y);
if(mp[{x,y-1}]==1)dfs(x,y-1);
if(mp[{x,y+1}]==1)dfs(x,y+1);
}
void calc(int x,int y){
if(mp[{x-1,y}]==1){dfs(x-1,y);comps++;}
if(mp[{x+1,y}]==1){dfs(x+1,y);comps++;}
if(mp[{x,y-1}]==1){dfs(x,y-1);comps++;}
if(mp[{x,y+1}]==1){dfs(x,y+1);comps++;}
}
int colour(int ar, int ac, int br, int bc){
a=ar; b=ac;
c=br; d=bc;
comps=0; mp.clear();
for(int i=a;i<=c;i++){
mp[{i,b}]=mp[{i,d}]=1;
}
for(int i=b;i<=d;i++){
mp[{a,i}]=mp[{c,i}]=1;
}
x=sx; y=sy; mp[{x,y}]=-1;
for(int i=0;i<w.size();i++){
if(w[i]=='N')x--;
if(w[i]=='E')y++;
if(w[i]=='S')x++;
if(w[i]=='W')y--;
mp[{x,y}]=-1;
}
x=sx; y=sy; check(x,y);
for(int i=0;i<w.size();i++){
if(w[i]=='N')x--;
if(w[i]=='E')y++;
if(w[i]=='S')x++;
if(w[i]=='W')y--;
check(x,y);
}
x=sx; y=sy; calc(x,y);
for(int i=0;i<w.size();i++){
if(w[i]=='N')x--;
if(w[i]=='E')y++;
if(w[i]=='S')x++;
if(w[i]=='W')y--;
calc(x,y);
}
if(comps==0 and mp[{a,b}]==1)comps++;
return comps;
}
/*int main(){
init(6, 4,3, 3, 9,"NWESSWEWS");
cout<<colour(2,3, 2, 3)<<"\n";
cout<<colour(3,2, 4, 4)<<"\n";
cout<<colour(5,3, 6, 4)<<"\n";
cout<<colour(1,2, 5, 3)<<"\n";
cout<<colour(4,6,4,6)<<"\n";
return 0;
}*/
Compilation message
rainbow.cpp: In function 'int colour(int, int, int, int)':
rainbow.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
68 | for(int i=0;i<w.size();i++){
| ~^~~~~~~~~
rainbow.cpp:77:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
77 | for(int i=0;i<w.size();i++){
| ~^~~~~~~~~
rainbow.cpp:86:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
86 | for(int i=0;i<w.size();i++){
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
107 ms |
348 KB |
Output is correct |
2 |
Correct |
619 ms |
604 KB |
Output is correct |
3 |
Correct |
107 ms |
348 KB |
Output is correct |
4 |
Correct |
181 ms |
344 KB |
Output is correct |
5 |
Correct |
876 ms |
844 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
392 ms |
544 KB |
Output is correct |
12 |
Correct |
683 ms |
344 KB |
Output is correct |
13 |
Correct |
709 ms |
852 KB |
Output is correct |
14 |
Correct |
1382 ms |
628 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Execution timed out |
3011 ms |
60516 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
510 ms |
98384 KB |
Output is correct |
3 |
Correct |
439 ms |
98388 KB |
Output is correct |
4 |
Correct |
431 ms |
79440 KB |
Output is correct |
5 |
Correct |
228 ms |
49492 KB |
Output is correct |
6 |
Correct |
143 ms |
33560 KB |
Output is correct |
7 |
Correct |
299 ms |
47044 KB |
Output is correct |
8 |
Correct |
78 ms |
17764 KB |
Output is correct |
9 |
Correct |
65 ms |
15444 KB |
Output is correct |
10 |
Correct |
30 ms |
3924 KB |
Output is correct |
11 |
Correct |
53 ms |
12308 KB |
Output is correct |
12 |
Correct |
128 ms |
26196 KB |
Output is correct |
13 |
Correct |
97 ms |
26268 KB |
Output is correct |
14 |
Correct |
81 ms |
20000 KB |
Output is correct |
15 |
Correct |
83 ms |
21584 KB |
Output is correct |
16 |
Correct |
132 ms |
27000 KB |
Output is correct |
17 |
Correct |
126 ms |
27216 KB |
Output is correct |
18 |
Correct |
170 ms |
44084 KB |
Output is correct |
19 |
Correct |
653 ms |
152508 KB |
Output is correct |
20 |
Correct |
512 ms |
106068 KB |
Output is correct |
21 |
Correct |
180 ms |
20560 KB |
Output is correct |
22 |
Correct |
165 ms |
18512 KB |
Output is correct |
23 |
Correct |
268 ms |
64596 KB |
Output is correct |
24 |
Correct |
411 ms |
91852 KB |
Output is correct |
25 |
Correct |
515 ms |
93008 KB |
Output is correct |
26 |
Correct |
471 ms |
103984 KB |
Output is correct |
27 |
Correct |
1137 ms |
258132 KB |
Output is correct |
28 |
Correct |
431 ms |
87932 KB |
Output is correct |
29 |
Correct |
325 ms |
52816 KB |
Output is correct |
30 |
Correct |
361 ms |
55600 KB |
Output is correct |
31 |
Correct |
1073 ms |
229108 KB |
Output is correct |
32 |
Correct |
1177 ms |
240988 KB |
Output is correct |
33 |
Correct |
1099 ms |
240976 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
107 ms |
348 KB |
Output is correct |
2 |
Correct |
619 ms |
604 KB |
Output is correct |
3 |
Correct |
107 ms |
348 KB |
Output is correct |
4 |
Correct |
181 ms |
344 KB |
Output is correct |
5 |
Correct |
876 ms |
844 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
392 ms |
544 KB |
Output is correct |
12 |
Correct |
683 ms |
344 KB |
Output is correct |
13 |
Correct |
709 ms |
852 KB |
Output is correct |
14 |
Correct |
1382 ms |
628 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Execution timed out |
3053 ms |
14180 KB |
Time limit exceeded |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
107 ms |
348 KB |
Output is correct |
2 |
Correct |
619 ms |
604 KB |
Output is correct |
3 |
Correct |
107 ms |
348 KB |
Output is correct |
4 |
Correct |
181 ms |
344 KB |
Output is correct |
5 |
Correct |
876 ms |
844 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
392 ms |
544 KB |
Output is correct |
12 |
Correct |
683 ms |
344 KB |
Output is correct |
13 |
Correct |
709 ms |
852 KB |
Output is correct |
14 |
Correct |
1382 ms |
628 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Execution timed out |
3053 ms |
14180 KB |
Time limit exceeded |
19 |
Halted |
0 ms |
0 KB |
- |