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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#608259#6836. A Plus B ProblemDixiky_215WA 3ms15976kbC++204.3kb2024-10-03 20:12:032024-10-03 20:12:04

Judging History

你现在查看的是最新测评结果

  • [2024-10-03 20:12:04]
  • 评测
  • 测评结果:WA
  • 用时:3ms
  • 内存:15976kb
  • [2024-10-03 20:12:03]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
const int MAXN=1e6+7;
int n,q;
int l[MAXN*4],r[MAXN*4],maxl[MAXN],minl[MAXN];
int lazy[MAXN];
int a[MAXN][3];
string bb;
int s[MAXN];
void push_down(int x)
{
    if(lazy[x]!=-1)
    {
        lazy[x*2]=lazy[x];
        lazy[2*x+1]=lazy[x];
        lazy[x]=-1;
    }
    return;
}
void push_up(int x)
{
    int s1,s2;
    if(lazy[x*2]!=-1) s1=lazy[x*2];
    else s1=maxl[x*2];

    if(lazy[2*x+1]!=-1) s2=lazy[2*x+1];
    else s2=maxl[2*x+1];

    maxl[x]=max(s1,s2);

    if(lazy[x*2]!=-1) s1=lazy[x*2];
    else s1=minl[x*2];

    if(lazy[2*x+1]!=-1) s2=lazy[2*x+1];
    else s2=minl[2*x+1];

    minl[x]=min(s1,s2);
}
void build(int x,int li,int ri)
{
    int mid=(li+ri)>>1;
    l[x]=li;r[x]=ri;
    maxl[x]=-1e9;minl[x]=1e9;
    lazy[x]=-1;
    if(li==ri)
    {
        maxl[x]=s[li];
        minl[x]=s[li];
        return;
    }
    build(2*x,li,mid);
    build(2*x+1,mid+1,ri);
    push_up(x);
    return;
}
void modify(int x,int li,int ri,int y)
{
    int mid=(l[x]+r[x])>>1;
    if(l[x]==li&&r[x]==ri)
    {
        lazy[x]=y;
        return;
    }
    push_down(x);
    push_up(x);
    if(ri<=mid) modify(2*x,li,ri,y);
    else if(li>mid) modify(2*x+1,li,ri,y);
    else modify(2*x,li,mid,y),modify(2*x+1,mid+1,ri,y);
    push_up(x);
    return;
}
int ask_val(int x,int loc)
{
	int mid=(l[x]+r[x])>>1;
	if(l[x]==r[x])
	{
		if(lazy[x]!=-1) return lazy[x];
		return maxl[x];
	}
	push_down(x);
	push_up(x);
	if(loc<=mid) return ask_val(2*x,loc);
	else return ask_val(2*x+1,loc);
}
int ask_max(int x,int li,int ri)
{
    int mid=(l[x]+r[x])>>1;
    if(l[x]==li&&r[x]==ri)
    {
        if(lazy[x]!=-1) return lazy[x];
        return maxl[x];
    }
    push_down(x);
    push_up(x);
    if(ri<=mid) return ask_max(2*x,li,ri);
    else if(li>mid) return ask_max(2*x+1,li,ri);
    else return max(ask_max(2*x,li,mid),ask_max(2*x+1,mid+1,ri));
}
int ask_min(int x,int li,int ri)
{
    int mid=(l[x]+r[x])>>1;
    if(l[x]==li&&r[x]==ri)
    {
        if(lazy[x]!=-1) return lazy[x];
        return minl[x];
    }
    push_down(x);
    push_up(x);
    if(ri<=mid) return ask_min(2*x,li,ri);
    else if(li>mid) return ask_min(2*x+1,li,ri);
    else return min(ask_min(2*x,li,mid),ask_min(2*x+1,mid+1,ri));
}
int main() {
    cin.tie(nullptr) -> sync_with_stdio(false);

    cin>>n>>q;
    cin>>bb;
    for(int i=2;i<=n+1;i++) a[i][1]=bb[i-2]-'0';
    cin>>bb;
    for(int i=2;i<=n+1;i++) a[i][2]=bb[i-2]-'0';
    for(int i=n+1;i>=2;i--)
    {
        s[i-1]+=(s[i]+a[i][1]+a[i][2])/10;
        s[i]=(s[i]+a[i][1]+a[i][2])%10;
    }
    build(1,1,n+1);
    int kkk=0;
    while(q--)
    {
    	kkk++;
    	int opt,id,sss;
    	cin>>opt>>id>>sss;
    	id++;
    	int nowl=ask_val(1,id);
    	
    	int cha=sss-a[id][opt];
//    	cerr<<nowl<<" "<<cha<<"  asd"<<endl;
    	if(cha==0)
    	{
    		cout<<ask_val(1,id)<<" 0\n";
    		continue;
		}
		int ans=1;
    	if(nowl+cha<0)
    	{
    		int aim=nowl+cha+10;
    		modify(1,id,id,aim);
    		ans++;
    		
    		int l=2,r=id-1,loc=-1,mid;
    		while(l<=r)
    		{
    			mid=(l+r)>>1;
    			int maxk=ask_max(1,mid,id-1);
    			int mink=ask_min(1,mid,id-1);
    			if(maxk==0&&mink==0) loc=mid,r=mid-1;
    			else l=mid+1;
			}
			if(loc!=-1)
			{
				ans+=id-loc;
				modify(1,loc,id-1,9);
			}
			else loc=id;
			ans++;
			int sk=ask_val(1,loc-1);
			modify(1,loc-1,loc-1,sk-1);
		}
		else if(nowl+cha>10)
		{
			int aim=nowl+cha-10;
    		modify(1,id,id,aim);
    		ans++;
    		
    		int l=2,r=id-1,loc=-1,mid;
    		while(l<=r)
    		{
    			mid=(l+r)>>1;
    			int maxk=ask_max(1,mid,id-1);
    			int mink=ask_min(1,mid,id-1);
    			if(maxk==9&&mink==9) loc=mid,r=mid-1;
    			else l=mid+1;
			}
			if(loc!=-1)
			{
				ans+=id-loc;
				modify(1,loc,id-1,0);
			}
			else loc=id;
			ans++;
			int sk=ask_val(1,loc-1);
			modify(1,loc-1,loc-1,sk+1);
		}
		else
		{
//			if(kkk==3) cerr<<"  asd"<<endl;
			int aim=nowl+cha;
    		modify(1,id,id,aim);
    		ans++;
		}
		cout<<ask_val(1,id)<<' '<<ans<<'\n';
		a[id][opt]=sss;
	}
	return 0;
}
/*
5 5
01234
56789
2 1 0
2 2 1
2 3 2
2 4 3
2 5 4

5 1
01234
56789
2 1 0

*/

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 15976kb

input:

5 5
01234
56789
2 1 0
2 2 1
2 3 2
2 4 3
2 5 4

output:

0 2
3 2
5 3
7 3
8 3

result:

ok 5 lines

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 15908kb

input:

1 1
1
1
1 1 9

output:

10 2

result:

wrong answer 1st lines differ - expected: '0 2', found: '10 2'