oj.uz

답안 #854814

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
854814 2023-09-29T03:11:39 Z vjudge1 Nuclearia (CEOI15_nuclearia) C++17
25 / 100
 869 ms 882488 KB 
#include<bits/stdc++.h>
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=2e5;
const ll inf=1e18;
const ll mod=1e9+7;
ll h,w;
vector<vector<ll>> p1,p2,p3;
void add(ll x,ll y,ll a,ll b)
{
    ll r=(a-1)/b;
    if(x+r>w||x-r<1||y+r>h||y-r<1) return;
    // p1 p2 p3
    // p1 la prefix sum cho a
    // p2 la prefix sum cho b cheo 1
    // p3 la prefix sum cho b cheo 2
    p1[x-r][y-r]+=a-(r+1)*b;
    p1[x+r+1][y-r]-=a-(r+1)*b;
    p1[x-r][y+r+1]-=a-(r+1)*b;
    p1[x+r+1][y+r+1]+=a-(r+1)*b;

    p2[x-r][y-r]+=b;
    p2[x+r+2][y+r+2]-=b;

    p3[x-r][y+r+1]-=b;
    p3[x+r+2][y-r-1]+=b;

}
ll n;
using ld=long double;
ll get(ll x1,ll y1,ll x2,ll y2)
{
    return p1[x2][y2]-p1[x1-1][y2]-p1[x2][y1-1]+p1[x1-1][y1-1];
}
void solve()
{
    cin >> w >> h;
    p1.resize(w+10,vector<ll>(h+10));
    p2.resize(w+10,vector<ll>(h+10));
    p3.resize(w+10,vector<ll>(h+10));
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        ll x,y,a,b;
        cin >> x >> y >> a >> b;
        add(x,y,a,b);
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++)
        {
            p2[i][j]+=p2[i-1][j-1];
        }
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=h;j>=1;j--)
        {
            p3[i][j]+=p3[i-1][j+1];
        }
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++)
        {
            p2[i][j]+=p3[i][j];
        }
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++)
        {
            p2[i][j]+=p2[i-1][j];
        }
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++)
        {
            p2[i][j]+=p2[i][j-1];
        }
    }
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++) p1[i][j]+=p1[i-1][j];
    }
    for(int i=1;i<=w;i++) for(int j=1;j<=h;j++) p1[i][j]+=p1[i][j-1];
    for(int i=1;i<=w;i++) for(int j=1;j<=h;j++) p1[i][j]+=p2[i][j];
    for(int i=1;i<=w;i++)
    {
        for(int j=1;j<=h;j++)
        {
            p1[i][j]+=p1[i-1][j]+p1[i][j-1]-p1[i-1][j-1];
        }
    }
    ll q;
    cin >> q;
    for(int i=1;i<=q;i++)
    {
        ll x1,y1,x2,y2;
        cin >> x1 >> y1 >> x2 >> y2;
        ll sum=get(x1,y1,x2,y2);
        ll sz=(x2-x1+1)*(y2-y1+1);
        cout << sum/sz+(sum%sz>=(sz+1)/2)<<'\n';
    }
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 754 ms 881072 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 695 ms 880872 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 58 ms 61008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 72 ms 89476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 787 ms 881744 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 396 ms 353472 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 136 ms 61568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 275 ms 200804 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 869 ms 882312 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 829 ms 882488 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 253 ms 64080 KB Output is correct
2 Correct 231 ms 68688 KB Output is correct

Subtask #12
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 237 ms 63572 KB Output is correct
2 Correct 251 ms 69320 KB Output is correct

Subtask #13
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 197 ms 66740 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #14
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 181 ms 63584 KB Output isn't correct
2 Halted 0 ms 0 KB -