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Submission #52763

# Submission time Handle Problem Language Result Execution time Memory
52763 2018-06-26T17:00:41 Z Smelskiy Fortune Telling 2 (JOI14_fortune_telling2) C++14
4 / 100
 3000 ms 2892 KB 
#include <bits/stdc++.h>
using namespace std;




int n,m;
int q[2000005];
int t1[2000005];
int t2[2000005];
int t3[2000005];
int t4[2000005];
pair<int,int> a[200005];
int sz;


inline void push(int x) {
    if (!q[x]) return;
    q[x+x]^=1;
    q[x+x+1]^=1;
    q[x]=0;
    swap(t1[x+x],t2[x+x]);
    swap(t1[x+x+1],t2[x+x+1]);
    swap(t3[x+x],t4[x+x]);
    swap(t3[x+x+1],t4[x+x+1]);
}

void dfs(int l,int r,int x,int y) {
    if (t3[x]>y) return;
    if (t1[x]<=y) {
        swap(t1[x],t2[x]);
        swap(t3[x],t4[x]);
        q[x]^=1;
        return;
    }
    if (l==r) return;
    int mid=(l+r)>>1;
    push(x);
    dfs(l,mid,x+x,y);
    dfs(mid+1,r,x+x+1,y);
    t1[x]=max(t1[x+x],t1[x+x+1]);
    t2[x]=max(t2[x+x],t2[x+x+1]);
    t3[x]=min(t3[x+x],t3[x+x+1]);
    t4[x]=min(t4[x+x],t4[x+x+1]);
}

long long ans=0;
void solve(int l,int r,int x) {
    if (l>n) return;
    if (l==r) {
        ans+=t1[x];
        return;
    }
    push(x);
    int mid=(l+r)>>1;
    solve(l,mid,x+x);
    solve(mid+1,r,x+x+1);
}

inline bool cmp(pair<int,int> x,pair<int,int> y) {
    return max(x.first,x.second)<max(y.first,y.second);
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin>>n>>m;
    for (int i=1;i<=n;++i) {
        cin>>a[i].first>>a[i].second;
    }
    sort(a+1,a+n+1,cmp);
    sz=1;
    while (sz<n) sz+=sz;
    for (int i=1;i<=n;++i) {
        t1[sz+i-1]=a[i].first;
        t2[sz+i-1]=a[i].second;
        t3[sz+i-1]=a[i].first;
        t4[sz+i-1]=a[i].second;
    }
    for (int i=sz-1;i>0;--i) {
        t1[i]=max(t1[i+i],t1[i+i+1]);
        t2[i]=max(t2[i+i],t2[i+i+1]);
        t3[i]=min(t3[i+i],t3[i+i+1]);
        t4[i]=min(t4[i+i],t4[i+i+1]);
    }
    int x;
    for (int i=1;i<=m;++i) {
        cin>>x;
        dfs(1,sz,1,x);
    }
    solve(1,sz,1);
    cout<<ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 536 KB Output is correct
3 Correct 5 ms 536 KB Output is correct
4 Correct 7 ms 536 KB Output is correct
5 Correct 6 ms 536 KB Output is correct
6 Correct 5 ms 568 KB Output is correct
7 Correct 3 ms 568 KB Output is correct
8 Correct 3 ms 568 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 3 ms 636 KB Output is correct
12 Correct 4 ms 636 KB Output is correct
13 Correct 3 ms 636 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 536 KB Output is correct
3 Correct 5 ms 536 KB Output is correct
4 Correct 7 ms 536 KB Output is correct
5 Correct 6 ms 536 KB Output is correct
6 Correct 5 ms 568 KB Output is correct
7 Correct 3 ms 568 KB Output is correct
8 Correct 3 ms 568 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 3 ms 636 KB Output is correct
12 Correct 4 ms 636 KB Output is correct
13 Correct 3 ms 636 KB Output is correct
14 Correct 349 ms 1204 KB Output is correct
15 Correct 1243 ms 1848 KB Output is correct
16 Correct 2687 ms 2124 KB Output is correct
17 Execution timed out 3060 ms 2892 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 536 KB Output is correct
3 Correct 5 ms 536 KB Output is correct
4 Correct 7 ms 536 KB Output is correct
5 Correct 6 ms 536 KB Output is correct
6 Correct 5 ms 568 KB Output is correct
7 Correct 3 ms 568 KB Output is correct
8 Correct 3 ms 568 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 3 ms 636 KB Output is correct
12 Correct 4 ms 636 KB Output is correct
13 Correct 3 ms 636 KB Output is correct
14 Correct 349 ms 1204 KB Output is correct
15 Correct 1243 ms 1848 KB Output is correct
16 Correct 2687 ms 2124 KB Output is correct
17 Execution timed out 3060 ms 2892 KB Time limit exceeded
18 Halted 0 ms 0 KB -