oj.uz

답안 #118262

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
118262 2019-06-18T13:20:10 Z Charis02 Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 427 ms 274432 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
#include<cmath>
#include<queue>
#include<string.h>
#include<map>
#include<set>
#include<algorithm>
#define ll long long
#define pi pair < ll,ll >
#define mp(a,b) make_pair(a,b)
#define rep(i,a,b) for(int i = a;i < b;i++)
#define N 4000
#define INF 1e9+7

using namespace std;

ll n,m,ans;
ll orbs[N][N],jewels[N][N],ignots[N][N];
ll sumo[N][N],sumi[N][N];
char c;

ll get_orbs(ll si,ll sj,ll ei,ll ej)
{
    if(si == 0 && sj == 0)
        return sumo[ei][ej];
    else if(si == 0)
        return sumo[ei][ej] - sumo[ei][sj-1];
    else if(sj == 0)
        return sumo[ei][ej] - sumo[si-1][ej];

    return sumo[ei][ej] - sumo[si-1][ej] - sumo[ei][sj-1] + sumo[si-1][sj-1];
}

ll get_ignots(ll si,ll sj,ll ei,ll ej)
{
    if(si == 0 && sj == 0)
        return sumi[ei][ej];
    else if(si == 0)
        return sumi[ei][ej] - sumi[ei][sj-1];
    else if(sj == 0)
        return sumi[ei][ej] - sumi[si-1][ej];

    return sumi[ei][ej] - sumi[si-1][ej] - sumi[ei][sj-1] + sumi[si-1][sj-1];
}

int main()
{
    ios_base::sync_with_stdio(false);

    cin >> n >> m;

    rep(i,0,n)
    {
        rep(j,0,m)
        {
            cin >> c;

            if(c == 'J')
                jewels[i][j] = 1;
            else if(c == 'O')
                orbs[i][j] = 1;
            else
                ignots[i][j] = 1;
        }
    }

    rep(i,0,n)
    {
        rep(j,0,m)
        {
            if(i == 0 && j == 0)
            {
                sumi[i][j] = ignots[i][j];
                sumo[i][j] = orbs[i][j];
            }
            else if(i == 0)
            {
                sumi[i][j] = sumi[i][j-1]+ignots[i][j];
                sumo[i][j] = sumo[i][j-1]+orbs[i][j];
            }
            else if(j == 0)
            {
                sumi[i][j] = sumi[i-1][j]+ignots[i][j];
                sumo[i][j] = sumo[i-1][j]+orbs[i][j];
            }
            else
            {
                sumi[i][j] = sumi[i-1][j] - sumi[i-1][j-1] + sumi[i][j-1]+ ignots[i][j];
                sumo[i][j] = sumo[i-1][j]  - sumo[i-1][j-1] + sumo[i][j-1] + orbs[i][j];
            }
        }
    }

    rep(i,0,n)
    {
        rep(j,0,m)
        {
            if(i != n-1 && j != m-1 && jewels[i][j])
            {
                ans = (ans + get_ignots(i,j,n-1,j)*get_orbs(i,j,i,m-1));
            }
        }
    }

    cout << ans;

    return 0;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 4 ms 2816 KB Output is correct
6 Correct 3 ms 2560 KB Output is correct
7 Correct 3 ms 2176 KB Output is correct
8 Correct 4 ms 2816 KB Output is correct
9 Correct 4 ms 2560 KB Output is correct
10 Correct 3 ms 2176 KB Output is correct
11 Correct 4 ms 2816 KB Output is correct
12 Correct 4 ms 2688 KB Output is correct
13 Correct 3 ms 2176 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 4 ms 2816 KB Output is correct
6 Correct 3 ms 2560 KB Output is correct
7 Correct 3 ms 2176 KB Output is correct
8 Correct 4 ms 2816 KB Output is correct
9 Correct 4 ms 2560 KB Output is correct
10 Correct 3 ms 2176 KB Output is correct
11 Correct 4 ms 2816 KB Output is correct
12 Correct 4 ms 2688 KB Output is correct
13 Correct 3 ms 2176 KB Output is correct
14 Correct 21 ms 18048 KB Output is correct
15 Correct 7 ms 7808 KB Output is correct
16 Correct 11 ms 8960 KB Output is correct
17 Correct 2 ms 768 KB Output is correct
18 Correct 23 ms 19940 KB Output is correct
19 Correct 20 ms 17912 KB Output is correct
20 Correct 18 ms 14848 KB Output is correct
21 Correct 24 ms 20004 KB Output is correct
22 Correct 20 ms 18048 KB Output is correct
23 Correct 17 ms 14848 KB Output is correct
24 Correct 27 ms 19832 KB Output is correct
25 Correct 21 ms 18028 KB Output is correct
26 Correct 18 ms 14848 KB Output is correct

Subtask #3
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 640 KB Output is correct
5 Correct 4 ms 2816 KB Output is correct
6 Correct 3 ms 2560 KB Output is correct
7 Correct 3 ms 2176 KB Output is correct
8 Correct 4 ms 2816 KB Output is correct
9 Correct 4 ms 2560 KB Output is correct
10 Correct 3 ms 2176 KB Output is correct
11 Correct 4 ms 2816 KB Output is correct
12 Correct 4 ms 2688 KB Output is correct
13 Correct 3 ms 2176 KB Output is correct
14 Correct 21 ms 18048 KB Output is correct
15 Correct 7 ms 7808 KB Output is correct
16 Correct 11 ms 8960 KB Output is correct
17 Correct 2 ms 768 KB Output is correct
18 Correct 23 ms 19940 KB Output is correct
19 Correct 20 ms 17912 KB Output is correct
20 Correct 18 ms 14848 KB Output is correct
21 Correct 24 ms 20004 KB Output is correct
22 Correct 20 ms 18048 KB Output is correct
23 Correct 17 ms 14848 KB Output is correct
24 Correct 27 ms 19832 KB Output is correct
25 Correct 21 ms 18028 KB Output is correct
26 Correct 18 ms 14848 KB Output is correct
27 Runtime error 427 ms 274432 KB Execution killed with signal 9 (could be triggered by violating memory limits)
28 Halted 0 ms 0 KB -