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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#674109#9104. Zayin and Forestucup-team5071#TL 60ms25052kbC++201.1kb2024-10-25 13:58:512024-10-25 13:58:51

Judging History

你现在查看的是最新测评结果

  • [2024-10-25 13:58:51]
  • 评测
  • 测评结果:TL
  • 用时:60ms
  • 内存:25052kb
  • [2024-10-25 13:58:51]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e6+10;
ll n;
int cnt,root;
ll sum[maxn*20];
int ls[maxn*20],rs[maxn*20];
void update(int &p,ll L,ll R,ll x,int f){
    if(!p)p=++cnt;
    if(L==R){
        sum[p]+=f;
        return;
    }
    ll m=L+((R-L)>>1);
    if(x<=m)    
        update(ls[p],L,m,x,f);
    else 
        update(rs[p],m+1,R,x,f);
    sum[p]=sum[ls[p]]+sum[rs[p]];
}
ll query(int p,ll L,ll R,ll l,ll r){
    if(!p)return 0;
    if(L>=l&&R<=r)return sum[p];
    ll m=L+((R-L)>>1),ans=0;
    if(l<=m)ans+=query(ls[p],L,m,l,r);
    if(r>m) ans+=query(rs[p],m+1,R,l,r);
    return ans;
}
void Solve(){
    int m;
    cin>>n>>m;
    auto lowbit=[&](ll x)->ll{
        return x&(-x);
    };
    root=++cnt;
    while(m--){
        int op;
        ll x,y;
        cin>>op>>x>>y;
        if(op==1){
            for(;x<=n;x+=lowbit(x))
                update(root,1,n,x,y);
        }
        else {
            cout<<query(root,1,n,x,y)<<"\n";
        }
    }
}
signed main(){
    ios::sync_with_stdio(false),cin.tie(0);
    Solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 60ms
memory: 25052kb

input:

1000000000 20000
2 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
1 666246328 754201635
1 654066651 179982083
2 240989825 984888006
2 372004567 858916479
2 76127818 98606736
1 181794163 902842353
1...

output:

0
43148875202
17613404710
0
32808578044
28190043566
15641637055
78276219892
14955165236
20262224725
105057452192
17002492367
57916137452
27165464255
72766353838
39458327919
38294102627
264448717384
0
70928519548
279674530483
88885017175
111664599432
69703816663
211506104092
104120007714
34403738515
...

result:

ok 6649 lines

Test #2:

score: -100
Time Limit Exceeded

input:

1000000000000000000 100000
1 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
2 666246328 931651408754201635
1 654066651 179982083
1 984888006 240989825
1 372004567 858916479
1 76127818 98606736
1 18...

output:

144205553442
497561506762
903930740555
878459229726
689906696633
859703313829
735231510045
1177875391120
1461659121798
1612314483744
2027462020547
1991476058156
2381861014705
2033973986301
2117738140401
2946661001323
2187638958334
2593068002437
1854182975909
2262561461341
3038788266419
3070435321746...

result: