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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#600420	#5000. Balanced Seesaw Array	Yshanqian	WA	210ms	18572kb	C++20	3.0kb	2024-09-29 16:25:04	2024-09-29 16:25:04

Judging History

你现在查看的是最新测评结果

[2024-09-29 16:25:04]
评测

测评结果：WA
用时：210ms
内存：18572kb

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[2024-09-29 16:25:04]
提交

answer

#include<bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
typedef pair<int, int> pii;
const int N=1e5+10,inf=1e5;

struct node
{
    int l,r;
    int sum1,sum2;
    int lazy1,lazy2;
}tr[N<<2];
int a[N];

void pushup(int u)
{
    tr[u].sum1=tr[u<<1].sum1+tr[u<<1|1].sum1;
    tr[u].sum2=tr[u<<1].sum2+tr[u<<1|1].sum2;
}

void build(int u,int l,int r)
{
    tr[u]={l,r,0,0,0,0};
    if(l==r)
    {
        tr[u].sum1=a[l]*l;
        tr[u].sum2=a[l];
        return ;
    }
    int mid=(l+r)>>1;
    build(u<<1,l,mid);
    build(u<<1|1,mid+1,r);
    pushup(u);
}

void change(int u,int op,int x)
{
    if(op==1)
    {
        tr[u].sum1+=x*(tr[u].r*(tr[u].r+1)/2-tr[u].l*(tr[u].l-1)/2);
        tr[u].sum2+=(tr[u].r-tr[u].l+1)*x;
        tr[u].lazy2=inf;
        tr[u].lazy1+=x;
    }
    else
    {
        tr[u].sum1=x*(tr[u].r*(tr[u].r+1)/2-tr[u].l*(tr[u].l-1)/2);
        tr[u].sum2=(tr[u].r-tr[u].l+1)*x;
        tr[u].lazy1=0;
        tr[u].lazy2=x;
    }
}

void pushdown(int u)
{
    if(tr[u].lazy1)
    {
        change(u<<1,1,tr[u].lazy1);
        change(u<<1|1,1,tr[u].lazy1);
        tr[u].lazy1=0;
    }
    if(tr[u].lazy2!=inf)
    {
        change(u<<1,2,tr[u].lazy2);
        change(u<<1|1,2,tr[u].lazy2);
        tr[u].lazy2=inf;
    }
}

void modify(int u,int l,int r,int op,int x)
{
    if(tr[u].l>=l&&tr[u].r<=r)
    {
        change(u,op,x);
        return ;
    }
    int mid=(tr[u].l+tr[u].r)>>1;
    pushdown(u);
    if(l<=mid) modify(u<<1, l, r, op, x);
    if(r>mid) modify(u<<1|1, l, r, op, x);
    pushup(u);
}

pii query(int u,int l,int r)
{
    if(tr[u].l>=l&&tr[u].r<=r)
    {
        return {tr[u].sum1,tr[u].sum2};
    }
    int mid=(tr[u].l+tr[u].r)>>1;
    pushdown(u);
    int res1=0,res2=0;
    if(l<=mid)
    {
        pii xx=query(u<<1, l, r);
        res1+=xx.first;
        res2+=xx.second;
    }
    if(r>mid)
    {
        pii xx=query(u<<1|1, l, r);
        res1+=xx.first;
        res2+=xx.second;
    }
    return {res1,res2};
}

void solve()
{
    int n,q;
    cin>>n>>q;
    for(int i=1;i<=n;i++) cin>>a[i];
    build(1,1,n);
    while(q--)
    {
        int op,l,r;
        cin>>op>>l>>r;
        if(op==1||op==2)
        {
            int x;
            cin>>x;
            modify(1, l, r, op, x);
        }
        else
        {
            auto [x,y]=query(1, l, r);
            int res1=x-(l-1)*y;
            int res2=y;
            if(res2==0)
            {
                if(res1==res2) cout<<"Yes\n";
                else cout<<"No\n";
            }
            else
            {
                int k=res1/res2;
                if(res1==res2*k&&k>=1&&k<=r-l+1)
                    cout<<"Yes\n";
                else cout<<"No\n";
            }
        }
    }
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t=1;
//    cin>>t;
    while(t--)
        solve();
    return 0;
}

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3628kb

input:

output:

Yes
No
Yes
Yes

result:

ok 4 lines

Test #2:

score: -100

Wrong Answer

time: 210ms

memory: 18572kb

input:

100000 451163
-18 609 -793 393 375 313 -55 -892 -446 928 -207 -390 729 -383 27 318 -400 31 -661 202 -978 212 238 -368 351 -613 -23 400 809 1000 -431 -174 -103 886 73 -150 25 820 -689 972 777 794 -36 -231 -966 632 -418 -288 -476 725 -713 -379 896 -19 -883 338 -797 937 -557 -809 -241 -539 704 44 576 -...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
Yes
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No...

result:

wrong answer 2nd lines differ - expected: 'Yes', found: 'No'