CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:Guuber
Submission time:2020-09-05 01:56:09 +0300
Language:C++11
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED16
#2ACCEPTED30
#3ACCEPTED54
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#11ACCEPTED0.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.06 s3details
#14ACCEPTED0.06 s3details
#15ACCEPTED0.07 s3details
#16ACCEPTED0.07 s3details
#17ACCEPTED0.06 s3details
#18ACCEPTED0.06 s3details

Code

#include<bits/stdc++.h>
using namespace std;

int ruudukkol[1000][1000];
int ruudukkomin[1000][1000];
int ruudukkomax[1000][1000];

int main(){
	int n;
	cin >> n;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			char a;
			cin >> a;
			if(a == '.'){
				ruudukkol[i][j] = 0;
			}else ruudukkol[i][j] = 1;
		}
	}
	
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			if(i == 0){
				if(j == 0){
					if(ruudukkol[i][j] == 0){
						ruudukkomin[i][j] = 0;
						ruudukkomax[i][j] = 0;
					}else{
						ruudukkomin[i][j] = 1;
						ruudukkomax[i][j] = 1;
					}
				}else{
					if(ruudukkol[i][j] == 0){
						ruudukkomin[i][j] = ruudukkomin[i][j-1];
						ruudukkomax[i][j] = ruudukkomax[i][j-1];
					}else{
						ruudukkomin[i][j] = 1 + ruudukkomin[i][j-1];
						ruudukkomax[i][j] = 1 + ruudukkomax[i][j-1];
					}
				}
			}else{
				if(j == 0){
					if(ruudukkol[i][j] == 0){
						ruudukkomin[i][j] = ruudukkomin[i-1][j];
						ruudukkomax[i][j] = ruudukkomax[i-1][j];
					}else{
						ruudukkomin[i][j] = 1 + ruudukkomin[i-1][j];
						ruudukkomax[i][j] = 1 + ruudukkomax[i-1][j];
					}
				}else{
					if(ruudukkol[i][j] == 0){
						ruudukkomin[i][j] = min(ruudukkomin[i-1][j], ruudukkomin[i][j-1]);
						ruudukkomax[i][j] = max(ruudukkomax[i-1][j], ruudukkomax[i][j-1]);
					}else{
						ruudukkomin[i][j] = 1 + min(ruudukkomin[i-1][j], ruudukkomin[i][j-1]);
						ruudukkomax[i][j] = 1 + max(ruudukkomax[i-1][j], ruudukkomax[i][j-1]);
					}
				}
			}
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			//cout << ruudukko[i][j].size() << " ";
		}
		//cout << "\n";
	}
//	for(auto u : ruudukko[n-1][n-1]) cout << u << " ";
//	cout<< "\n";
	cout << ruudukkomax[n-1][n-1] - ruudukkomin[n-1][n-1] + 1 << "\n";
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
..........
..........
..........
..........
...

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
o.o.......
..........
.o...o.oo.
..o...o.oo
...

correct output
9

user output
9

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
o......o..
oo.oo.....
oooo....oo
o.......oo
...

correct output
14

user output
14

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
..ooooo.oo
.ooo.o..oo
.....ooo.o
ooo.ooo.oo
...

correct output
12

user output
12

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
oooooooooo
ooo....ooo
.oo.oo.ooo
oooooooooo
...

correct output
10

user output
10

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10
oooooooooo
oooooooooo
oooooooooo
oooooooooo
...

correct output
1

user output
1

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
100
.................................

correct output
1

user output
1

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
100
.........o.....o.........o..o....

correct output
114

user output
114

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
100
oo..oo.oo..o...o..o.o..o.........

correct output
151

user output
151

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
100
o..o.ooo..oo.o.o.o..o.o..o..oo...

correct output
143

user output
143

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
100
oo..oooooooooooo.oooo.o.o.oooo...

correct output
115

user output
115

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
100
oooooooooooooooooooooooooooooo...

correct output
1

user output
1

Test 13

Group: 3

Verdict: ACCEPTED

input
1000
.................................

correct output
1

user output
1

Test 14

Group: 3

Verdict: ACCEPTED

input
1000
o..........o...o...o...o.........

correct output
1121

user output
1121

Test 15

Group: 3

Verdict: ACCEPTED

input
1000
.o.............o....o.o......o...

correct output
1583

user output
1583

Test 16

Group: 3

Verdict: ACCEPTED

input
1000
oooooo.oooooo.....oooo..o...o....

correct output
1574

user output
1574

Test 17

Group: 3

Verdict: ACCEPTED

input
1000
ooooo.oo.oooooooooo...o...oo.....

correct output
1147

user output
1147

Test 18

Group: 3

Verdict: ACCEPTED

input
1000
oooooooooooooooooooooooooooooo...

correct output
1

user output
1