oj.uz

Submission #160484

# Submission time Handle Problem Language Result Execution time Memory
160484 2019-10-27T17:27:18 Z kingfran1907 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 168 ms 53372 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long llint;
const int maxn = 3010;

int n, m;
char niz[maxn][maxn];
int pref[maxn][maxn];
llint cnt[maxn];

int main() {
    scanf("%d%d", &n, &m);
    for (int i = 0; i < n; i++)
        scanf("%s", niz+i);

    llint sol = 0;
    for (int i = 0; i < n; i++) {
        for (int j = m - 1; j >= 0; j--)
            pref[i][j] = pref[i][j + 1] + (niz[i][j] == 'O');
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (niz[i][j] == 'J') cnt[j] += pref[i][j];
            else if (niz[i][j] == 'I') {
                sol += cnt[j];
                //printf("%d %d -> %d\n", i, j, cnt[j]);
            }
        }
    }
    printf("%lld\n", sol);
    return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:15:26: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[3010]' [-Wformat=]
         scanf("%s", niz+i);
                     ~~~~~^
joi2019_ho_t1.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", niz+i);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 2 ms 1016 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1020 KB Output is correct
10 Correct 3 ms 1016 KB Output is correct
11 Correct 3 ms 1148 KB Output is correct
12 Correct 4 ms 1016 KB Output is correct
13 Correct 3 ms 1016 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 2 ms 1016 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1020 KB Output is correct
10 Correct 3 ms 1016 KB Output is correct
11 Correct 3 ms 1148 KB Output is correct
12 Correct 4 ms 1016 KB Output is correct
13 Correct 3 ms 1016 KB Output is correct
14 Correct 9 ms 4728 KB Output is correct
15 Correct 5 ms 3324 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 10 ms 4984 KB Output is correct
19 Correct 8 ms 4932 KB Output is correct
20 Correct 8 ms 4984 KB Output is correct
21 Correct 10 ms 5112 KB Output is correct
22 Correct 8 ms 4984 KB Output is correct
23 Correct 8 ms 4856 KB Output is correct
24 Correct 10 ms 5116 KB Output is correct
25 Correct 9 ms 4984 KB Output is correct
26 Correct 14 ms 4856 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 2 ms 1016 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1020 KB Output is correct
10 Correct 3 ms 1016 KB Output is correct
11 Correct 3 ms 1148 KB Output is correct
12 Correct 4 ms 1016 KB Output is correct
13 Correct 3 ms 1016 KB Output is correct
14 Correct 9 ms 4728 KB Output is correct
15 Correct 5 ms 3324 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 10 ms 4984 KB Output is correct
19 Correct 8 ms 4932 KB Output is correct
20 Correct 8 ms 4984 KB Output is correct
21 Correct 10 ms 5112 KB Output is correct
22 Correct 8 ms 4984 KB Output is correct
23 Correct 8 ms 4856 KB Output is correct
24 Correct 10 ms 5116 KB Output is correct
25 Correct 9 ms 4984 KB Output is correct
26 Correct 14 ms 4856 KB Output is correct
27 Correct 157 ms 52880 KB Output is correct
28 Correct 18 ms 16632 KB Output is correct
29 Correct 22 ms 4856 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 125 ms 43400 KB Output is correct
32 Correct 110 ms 53304 KB Output is correct
33 Correct 103 ms 53212 KB Output is correct
34 Correct 149 ms 50268 KB Output is correct
35 Correct 109 ms 53240 KB Output is correct
36 Correct 105 ms 53228 KB Output is correct
37 Correct 168 ms 53372 KB Output is correct
38 Correct 81 ms 43256 KB Output is correct
39 Correct 79 ms 43184 KB Output is correct