CSES - Datatähti 2023 alku - Results
Submission details
Task:Lehmät
Sender:Kemm1706
Submission time:2022-12-03 11:58:44 +0200
Language:C++ (C++11)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED72
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.01 s2details
#7ACCEPTED0.00 s2details
#8ACCEPTED0.00 s2details
#9ACCEPTED0.00 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:37:15: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |         for(j = y1 + 1; j < y2; j++)
      |             ~~^~~~~~~~
input/code.cpp:36:11: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   36 |     for(i = x1 + 1; i < x2; i++)
      |         ~~^~~~~~~~
input/code.cpp:37:27: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |         for(j = y1 + 1; j < y2; j++)
      |                         ~~^~~~
input/code.cpp:6:38: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized]
    6 |     int i, j, n, m, ans = 0, x1, y1, x2, y2;
      |                                      ^~

Code

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

int main()
{
    int i, j, n, m, ans = 0, x1, y1, x2, y2;
    static char a[100][100];
    cin >> n >> m;
    for(i = 0; i < n; i++)
        for(j = 0; j < m; j++)
            cin >> a[i][j];
    for(i = 0; i < n; i++)
    {
        for(j = 0; j < m; j++)
            if(a[i][j] == '*')
            {
                x1 = i;
                y1 = j;
                break;
            }
        if(j < m)
            break;
    }
    for(i = n - 1; i >= 0; i--)
    {
        for(j = m - 1; j >= 0; j--)
            if(a[i][j] == '*')
            {
                x2 = i;
                y2 = j;
                break;
            }
        if(j >= 0)
            break;
    }
    for(i = x1 + 1; i < x2; i++)
        for(j = y1 + 1; j < y2; j++)
            if(a[i][j] == '@')
                ans++;
    cout << ans;
    return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
3 3
***
*.*
***

correct output
0

user output
0

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
3 3
***
*@*
***

correct output
1

user output
1

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
5 10
...@......
..******..
@.*@@@@*.@
..******..
...

correct output
4

user output
4

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
10 10
@@...@.@@@
..@@.@@..@
@.*******@
..*@....*.
...

correct output
11

user output
11

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
10 10
**********
*@@@@@@@@*
*@@@@@@@@*
*@@@@@@@@*
...

correct output
64

user output
64

Test 6

Group: 2

Verdict: ACCEPTED

input
100 100
.........................@.......

correct output
60

user output
60

Test 7

Group: 2

Verdict: ACCEPTED

input
100 100
..@@..........@......@....@@.....

correct output
1507

user output
1507

Test 8

Group: 2

Verdict: ACCEPTED

input
100 100
.@..@@..@@.@..@..@..@@..@..@.....

correct output
3348

user output
3348

Test 9

Group: 2

Verdict: ACCEPTED

input
100 100
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@...

correct output
7225

user output
7225