oj.uz

Submission #199765

# Submission time Handle Problem Language Result Execution time Memory
199765 2020-02-03T08:41:42 Z Mercenary Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 114 ms 89592 KB 
#include<bits/stdc++.h>

#define pb push_back
#define mp make_pair
#define taskname "A"

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
const int maxn = 3005;
string s[maxn];
int a[maxn][maxn] , b[maxn][maxn] , m , n;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    if(fopen(taskname".INP","r")){
		freopen(taskname".INP", "r",stdin);
		freopen(taskname".OUT", "w",stdout);
    }
    ll res = 0;
    cin >> m >> n;
    for(int i = 0 ; i < m ; ++i)cin >> s[i];
    for(int i = m - 1 ; i >= 0 ; --i){
        for(int j = n - 1 ; j >= 0 ; --j){
            a[i][j] = a[i][j + 1] + (s[i][j] == 'O');
            b[i][j] = b[i + 1][j] + (s[i][j] == 'I');
        }
    }
    for(int i = 0 ; i < m ; ++i){
        for(int j = 0 ; j < n ; ++j){
            res += (ll)(s[i][j] == 'J') * a[i][j] * b[i][j];
        }
    }
    cout << res;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:20:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".INP", "r",stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:21:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".OUT", "w",stdout);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 6 ms 1272 KB Output is correct
6 Correct 6 ms 1400 KB Output is correct
7 Correct 6 ms 1272 KB Output is correct
8 Correct 6 ms 1272 KB Output is correct
9 Correct 5 ms 1272 KB Output is correct
10 Correct 5 ms 1276 KB Output is correct
11 Correct 6 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 6 ms 1272 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 6 ms 1272 KB Output is correct
6 Correct 6 ms 1400 KB Output is correct
7 Correct 6 ms 1272 KB Output is correct
8 Correct 6 ms 1272 KB Output is correct
9 Correct 5 ms 1272 KB Output is correct
10 Correct 5 ms 1276 KB Output is correct
11 Correct 6 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 6 ms 1272 KB Output is correct
14 Correct 10 ms 6392 KB Output is correct
15 Correct 7 ms 3832 KB Output is correct
16 Correct 8 ms 3832 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 11 ms 6904 KB Output is correct
19 Correct 11 ms 6904 KB Output is correct
20 Correct 10 ms 6776 KB Output is correct
21 Correct 11 ms 6904 KB Output is correct
22 Correct 10 ms 6904 KB Output is correct
23 Correct 11 ms 6904 KB Output is correct
24 Correct 11 ms 6904 KB Output is correct
25 Correct 11 ms 6776 KB Output is correct
26 Correct 14 ms 6776 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 6 ms 1272 KB Output is correct
6 Correct 6 ms 1400 KB Output is correct
7 Correct 6 ms 1272 KB Output is correct
8 Correct 6 ms 1272 KB Output is correct
9 Correct 5 ms 1272 KB Output is correct
10 Correct 5 ms 1276 KB Output is correct
11 Correct 6 ms 1400 KB Output is correct
12 Correct 5 ms 1400 KB Output is correct
13 Correct 6 ms 1272 KB Output is correct
14 Correct 10 ms 6392 KB Output is correct
15 Correct 7 ms 3832 KB Output is correct
16 Correct 8 ms 3832 KB Output is correct
17 Correct 5 ms 632 KB Output is correct
18 Correct 11 ms 6904 KB Output is correct
19 Correct 11 ms 6904 KB Output is correct
20 Correct 10 ms 6776 KB Output is correct
21 Correct 11 ms 6904 KB Output is correct
22 Correct 10 ms 6904 KB Output is correct
23 Correct 11 ms 6904 KB Output is correct
24 Correct 11 ms 6904 KB Output is correct
25 Correct 11 ms 6776 KB Output is correct
26 Correct 14 ms 6776 KB Output is correct
27 Correct 109 ms 88512 KB Output is correct
28 Correct 18 ms 19324 KB Output is correct
29 Correct 13 ms 7800 KB Output is correct
30 Correct 6 ms 760 KB Output is correct
31 Correct 84 ms 72032 KB Output is correct
32 Correct 114 ms 89412 KB Output is correct
33 Correct 105 ms 89212 KB Output is correct
34 Correct 94 ms 83448 KB Output is correct
35 Correct 105 ms 89336 KB Output is correct
36 Correct 108 ms 89208 KB Output is correct
37 Correct 108 ms 89592 KB Output is correct
38 Correct 81 ms 72056 KB Output is correct
39 Correct 79 ms 71672 KB Output is correct