oj.uz

답안 #876745

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
876745 2023-11-22T09:22:57 Z cpptowin Bitaro the Brave (JOI19_ho_t1) C++17
50 / 100
 215 ms 274432 KB 
#include<bits/stdc++.h>
#define fo(i,d,c) for(int i=d;i<=c;i++)
#define fod(i,c,d) for(int i=c;i>=d;i--)
#define maxn 1000010
#define N 3010
#define fi first
#define se second
#define pb emplace_back
#define en cout<<"\n";
#define int long long
#define inf 1000000000
#define pii pair<int,int>
#define vii vector<pii>
#define lb(x) x&-x
#define bit(i,j) ((i>>j)&1)
#define offbit(i,j) (i^(1<<j))
#define onbit(i,j) (i|(1<<j))
#define vi vector<int>
template <typename T1, typename T2> bool minimize(T1 &a, T2 b){if (a > b) {a = b; return true;} return false;}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b){if (a < b) {a = b; return true;} return false;}
using namespace std;
int n,m;
char a[N][N];
int ans;
int row1[N][N],row2[N][N],row3[N][N];
int col1[N][N],col2[N][N],col3[N][N];
main()
{
    #define name "TASK"
    if(fopen(name".inp","r"))
    {
       freopen(name".inp","r",stdin);
       freopen(name".out","w",stdout);
    }
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    cin >> n >> m;
    fo(i,1,n) fo(j,1,m)
    {
        cin >> a[i][j];
        row1[i][j] = row1[i][j - 1];
        row2[i][j] = row2[i][j - 1];
        row3[i][j] = row3[i][j - 1];
        if(a[i][j] == 'J') row1[i][j]++;
        if(a[i][j] == 'O') row2[i][j]++;
        if(a[i][j] == 'I') row3[i][j]++;
    }
    fo(j,1,m)
    {
        fo(i,1,n)
        {
            col1[i][j] = col1[i - 1][j];
            col2[i][j] = col2[i - 1][j];
            col3[i][j] = col3[i - 1][j];
            if(a[i][j] == 'J') col1[i][j]++;
            if(a[i][j] == 'O') col2[i][j]++;
            if(a[i][j] == 'I') col3[i][j]++;
        }
    }
    fo(i,1,n) fo(j,1,m)
    {
        if(a[i][j] == 'J')
        {
//            cout << i << ' ' << j << "\n";
            ans += (row2[i][m] - row2[i][j - 1]) * (col3[n][j] - col3[i - 1][j]);
        }
    }
    cout << ans;
}

Compilation message

joi2019_ho_t1.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   27 | main()
      | ^~~~
joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:32:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |        freopen(name".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:33:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4812 KB Output is correct
5 Correct 2 ms 12636 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 2 ms 12632 KB Output is correct
10 Correct 2 ms 10584 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 2 ms 12636 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4812 KB Output is correct
5 Correct 2 ms 12636 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 2 ms 12632 KB Output is correct
10 Correct 2 ms 10584 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 2 ms 12636 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 18 ms 48988 KB Output is correct
15 Correct 6 ms 36956 KB Output is correct
16 Correct 8 ms 28252 KB Output is correct
17 Correct 1 ms 4816 KB Output is correct
18 Correct 18 ms 50668 KB Output is correct
19 Correct 17 ms 50244 KB Output is correct
20 Correct 14 ms 50268 KB Output is correct
21 Correct 19 ms 50452 KB Output is correct
22 Correct 15 ms 50260 KB Output is correct
23 Correct 14 ms 50264 KB Output is correct
24 Correct 18 ms 50520 KB Output is correct
25 Correct 14 ms 50376 KB Output is correct
26 Correct 14 ms 50268 KB Output is correct

Subtask #3
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4812 KB Output is correct
5 Correct 2 ms 12636 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 2 ms 10840 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 2 ms 12632 KB Output is correct
10 Correct 2 ms 10584 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 2 ms 12636 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 18 ms 48988 KB Output is correct
15 Correct 6 ms 36956 KB Output is correct
16 Correct 8 ms 28252 KB Output is correct
17 Correct 1 ms 4816 KB Output is correct
18 Correct 18 ms 50668 KB Output is correct
19 Correct 17 ms 50244 KB Output is correct
20 Correct 14 ms 50268 KB Output is correct
21 Correct 19 ms 50452 KB Output is correct
22 Correct 15 ms 50260 KB Output is correct
23 Correct 14 ms 50264 KB Output is correct
24 Correct 18 ms 50520 KB Output is correct
25 Correct 14 ms 50376 KB Output is correct
26 Correct 14 ms 50268 KB Output is correct
27 Runtime error 215 ms 274432 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -