oj.uz

Submission #335617

# Submission time Handle Problem Language Result Execution time Memory
335617 2020-12-13T09:43:28 Z Joshc Bitaro the Brave (JOI19_ho_t1) C++11
100 / 100
 905 ms 88704 KB 
#include <cstdio>
using namespace std;

char c[3002][3002];
int a[3002][3002], b[3002][3002];

int main() {
    int h, w;
    long long ans = 0;
    scanf("%d%d", &h, &w);
    for (int i=1; i<=h; i++) {
        for (int j=1; j<=w; j++) scanf(" %c", &c[i][j]);
        for (int j=w; j>0; j--) a[i][j] = a[i][j+1]+(c[i][j]=='O'); 
    }
    for (int j=1; j<=w; j++) {
        for (int i=h; i>0; i--) {
            b[i][j] = b[i+1][j]+(c[i][j]=='I');
            ans += (c[i][j]=='J')*a[i][j]*b[i][j];
        }
    }
    printf("%lld\n", ans);
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |     scanf("%d%d", &h, &w);
      |     ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:12:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |         for (int j=1; j<=w; j++) scanf(" %c", &c[i][j]);
      |                                  ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 19 ms 7532 KB Output is correct
15 Correct 3 ms 4972 KB Output is correct
16 Correct 12 ms 4332 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 25 ms 8044 KB Output is correct
19 Correct 24 ms 7936 KB Output is correct
20 Correct 24 ms 7916 KB Output is correct
21 Correct 25 ms 8044 KB Output is correct
22 Correct 24 ms 7860 KB Output is correct
23 Correct 23 ms 7916 KB Output is correct
24 Correct 24 ms 8044 KB Output is correct
25 Correct 24 ms 7916 KB Output is correct
26 Correct 24 ms 7916 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1516 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 19 ms 7532 KB Output is correct
15 Correct 3 ms 4972 KB Output is correct
16 Correct 12 ms 4332 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 25 ms 8044 KB Output is correct
19 Correct 24 ms 7936 KB Output is correct
20 Correct 24 ms 7916 KB Output is correct
21 Correct 25 ms 8044 KB Output is correct
22 Correct 24 ms 7860 KB Output is correct
23 Correct 23 ms 7916 KB Output is correct
24 Correct 24 ms 8044 KB Output is correct
25 Correct 24 ms 7916 KB Output is correct
26 Correct 24 ms 7916 KB Output is correct
27 Correct 864 ms 88208 KB Output is correct
28 Correct 19 ms 25964 KB Output is correct
29 Correct 49 ms 7788 KB Output is correct
30 Correct 2 ms 620 KB Output is correct
31 Correct 640 ms 72684 KB Output is correct
32 Correct 905 ms 88556 KB Output is correct
33 Correct 905 ms 88172 KB Output is correct
34 Correct 735 ms 84076 KB Output is correct
35 Correct 890 ms 88484 KB Output is correct
36 Correct 899 ms 88172 KB Output is correct
37 Correct 898 ms 88704 KB Output is correct
38 Correct 625 ms 72428 KB Output is correct
39 Correct 634 ms 72300 KB Output is correct