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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
#770145#9543. Good PartitionslastartWA 61ms11768kbC++142.4kb2024-11-21 20:51:482024-11-21 20:51:48

Judging History

你现在查看的是最新测评结果

  • [2024-11-21 20:51:48]
  • 评测
  • 测评结果:WA
  • 用时:61ms
  • 内存:11768kb
  • [2024-11-21 20:51:48]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<cmath>
#define ll long long 
using namespace std;
const int ma=2e5+4e4;
int T;
int n,q; 
int a[ma]; 
int num[ma],pri[ma],tot,vis[ma];  
int tmp[ma]; 
void pre_solve(){
    for(int i=2;i<ma;i++){
        if(!vis[i]) {
            pri[++tot]=i,num[i]=2;
            for(int j=i;j<ma;j+=i) vis[j]=i;  
        }      
        else {
            int x=i,y=1,cnt=0;
            while(!(x%vis[i])) x/=vis[i],y*=vis[i],cnt++; 
 //           cout<<x<<" "<<y<<" "<<cnt<<endl;
            if(x==1) num[i]=cnt+1;  
            else num[i]=num[x]*num[y];   
        }          
    }
}
struct SegmentTree{
    int gd[ma*4];
    int get_gcd(int x,int y){
        if(x<y) swap(x,y);
        if(!y) return x;
        return get_gcd(y,x%y); 
    }
    void push_up(int x){
        if((!gd[x<<1])||(!gd[(x<<1)|1])) gd[x]=gd[x<<1]|gd[(x<<1)|1]; 
        else gd[x]=get_gcd(gd[x<<1],gd[(x<<1)|1]); 
    }
    void clear(int p,int l,int r){
        gd[p]=0; if(l==r) return ; 
        int mid=(l+r)>>1;
        clear(p<<1,l,mid); clear((p<<1)|1,mid+1,r);
    }
    void build(int p,int l,int r){
        if(l==r) {gd[p]=tmp[l];return; }
        int mid=(l+r)>>1;
        build(p<<1,l,mid);
        build((p<<1)|1,mid+1,r); 
        push_up(p); 
    }
    void modify(int p,int l,int r,int des,int val){
        
        if(l==r){gd[p]=val; return; }
        int mid=(l+r)>>1;
        if(des<=mid) modify(p<<1,l,mid,des,val);
        else modify((p<<1)|1,mid+1,r,des,val);
        push_up(p); 
//        cout<<p<<" "<<l<<" "<<r<<" "<<des<<" "<<val<<" "<<gd[p]<<endl;
    }
}tree; 
int main(){
 //   freopen("GP.out","w",stdout);
    pre_solve() ; num[1]=1;  
    scanf("%d",&T);
    while(T--){
        scanf("%d%d",&n,&q); num[0]=n; 
        for(int i=1;i<=n;i++) scanf("%d",&a[i]);
        for(int i=1;i<n;i++) if(a[i]>a[i+1]) tmp[i]=i; 
        tree.build(1,1,n); 
        printf("%d\n",num[tree.gd[1]]); 
        for(int i=1;i<=q;i++){
            int p,v; scanf("%d%d",&p,&v);
            if(a[p-1]>v) tree.modify(1,1,n,p-1,p-1); else tree.modify(1,1,n,p-1,0);
            if(v>a[p+1]&&p!=n) tree.modify(1,1,n,p,p); else tree.modify(1,1,n,p,0); 
            a[p]=v; // cout<<tree.gd[1]<<endl;
            printf("%d\n",num[tree.gd[1]]);  
        }
        tree.clear(1,1,n); 
    }
    return 0 ;
}

详细

Test #1:

score: 100
Accepted
time: 3ms
memory: 5816kb

input:

1
5 2
4 3 2 6 1
2 5
3 5

output:

1
2
3

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 3ms
memory: 5800kb

input:

1
1 1
2000000000
1 1999999999

output:

1
1

result:

ok 2 lines

Test #3:

score: 0
Accepted
time: 57ms
memory: 9212kb

input:

1
200000 200000
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ...

output:

160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160
200000
160...

result:

ok 200001 lines

Test #4:

score: 0
Accepted
time: 61ms
memory: 11768kb

input:

1
200000 200000
200001 200000 199999 199998 199997 199996 199995 199994 199993 199992 199991 199990 199989 199988 199987 199986 199985 199984 199983 199982 199981 199980 199979 199978 199977 199976 199975 199974 199973 199972 199971 199970 199969 199968 199967 199966 199965 199964 199963 199962 1999...

output:

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
...

result:

ok 200001 lines

Test #5:

score: 0
Accepted
time: 55ms
memory: 9184kb

input:

1
200000 200000
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 200001 lines

Test #6:

score: 0
Accepted
time: 3ms
memory: 6928kb

input:

2
2 2
17017 63462
2 94054
2 13504
8 8
14380 5840 34752 73602 60279 26105 44308 78318
7 8597
2 70671
6 56663
5 90093
5 96853
3 10700
1 76875
6 27325

output:

2
2
1
1
1
1
1
1
1
1
1
1

result:

ok 12 lines

Test #7:

score: -100
Wrong Answer
time: 3ms
memory: 5892kb

input:

10
9 15
850456 510799 912572 938543 215712 758501 850577 149454 330027
7 740992
7 73826
1 993823
7 143019
8 152824
2 109975
5 151989
7 851016
3 157534
8 491512
6 987473
7 272348
3 842756
4 278214
5 707564
10 17
494099 922564 124251 422938 100551 915266 18436 74858 885629 897256
8 798574
7 49544
7 83...

output:

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
2
2
2
2
2
2
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

result:

wrong answer 17th lines differ - expected: '2', found: '1'