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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#724679 | #7787. Maximum Rating | juan_123# | WA | 2ms | 7984kb | C++14 | 1.8kb | 2024-11-08 14:25:41 | 2024-11-08 14:25:41 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define double long double
#define lowbit(x) (x&(-x))
int ls[14000005],rs[14000005],sum[14000005];
#define int long long
int val[14000005];
int nw =1;
void update(int k,int pos,int add1,int add2,int l,int r){
if(l+1 == r){
sum[k]+=add1;
val[k]+=add2;
return;
}
int mid = l+r>>1;
if(pos<mid){
if(!ls[k])ls[k] = ++nw;
update(ls[k],pos,add1,add2,l,mid);
}else{
if(!rs[k])rs[k] = ++nw;
update(rs[k],pos,add1,add2,mid,r);
}
sum[k]=sum[ls[k]]+sum[rs[k]];
val[k]=val[ls[k]]+val[rs[k]];
// cout << " " << k << " " << l << " " << r << " " << sum[k] << " " << val[k] << endl;
}
int find(int k,int l,int r,int x){
// cout << k << " " << l << " " << r << " " << x << endl;
if(!k)return 0;
if(l+1 == r){return min(x/l,val[k]);}
if(sum[ls[k]]>=x)return find(ls[k],l,l+r>>1,x);
return find(rs[k],l+r>>1,r,x-sum[ls[k]])+val[ls[k]];
}
int query(int k,int l,int r,int ll,int rr){
if(!k or l>=rr or ll>=r)return 0;
if(l<=ll and rr<=r)return val[k];
return query(ls[k],l,r,ll,ll+rr>>1)+query(rs[k],l,r,ll+rr>>1,rr);
}
const int M = 1000000001;
int ssum = 0,tot = 0;
int a[500005];
int n,q;
signed main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> n >> q;
for(int i = 1;i<=n;i++)cin >> a[i];
for(int i = 1;i<=n;i++){
if(a[i]<0){
ssum+=-a[i];
}
if(a[i]>0){
++tot;
update(1,a[i],a[i],1,1,M+1);
}
}
for(int i = 1;i<=q;i++){
int pos,v;cin >> pos >> v;
if(a[pos]<0){
ssum-=-a[pos];
}
if(a[pos]>0){
--tot;
update(1,a[pos],-a[pos],-1,1,M+1);
}
if(v<0){
ssum+=-v;
}
if(v>0){
++tot;
update(1,v,v,1,1,M+1);
}
a[pos] = v;
int x = find(1,1,M+1,ssum)+1;
cout << x << '\n';
}
return 0;
}/*
3 5
1 2 3
3 4
2 -2
1 -3
3 1
2 1
*/
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 7676kb
input:
3 5 1 2 3 3 4 2 -2 1 -3 3 1 2 1
output:
1 2 2 2 3
result:
ok 5 number(s): "1 2 2 2 3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 7712kb
input:
3 5 1 2 3 3 4 2 -2 1 3 3 1 2 1
output:
1 2 1 2 1
result:
ok 5 number(s): "1 2 1 2 1"
Test #3:
score: 0
Accepted
time: 1ms
memory: 7744kb
input:
1 1 1000000000 1 1000000000
output:
1
result:
ok 1 number(s): "1"
Test #4:
score: 0
Accepted
time: 1ms
memory: 5756kb
input:
1 1 -1000000000 1 -1000000000
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 7728kb
input:
1000 1000 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 ...
output:
946 65 252 410 915 592 983 487 343 899 809 432 586 587 139 464 804 84 476 699 504 149 579 352 375 856 545 166 140 657 568 509 275 710 873 430 537 879 301 1 298 970 923 510 984 642 55 879 941 344 464 788 917 994 571 610 491 442 926 101 986 840 624 613 425 345 816 423 275 221 317 113 386 116 469 260 4...
result:
ok 1000 numbers
Test #6:
score: 0
Accepted
time: 1ms
memory: 7760kb
input:
1000 1000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000000 1 -1000000...
output:
500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 ...
result:
ok 1000 numbers
Test #7:
score: -100
Wrong Answer
time: 2ms
memory: 7984kb
input:
1000 1000 -485078954 -474724347 -284958745 -99994191 -853392841 -796786314 -87134718 -861459498 -982809180 -184620712 -618476092 -244916830 -349486182 -751407510 -874417202 -419521829 -888338757 -735353446 -426330733 -715383449 -48093437 -359419189 -474876639 -887614191 -157085227 -51186523 -4851821...
output:
2 3 4 5 6 7 8 9 10 11 12 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 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 51 52 53 54 55 56 57 58 59 60 60 61 62 63 64 65 65 66 67 68 69 70 71 72 73 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 88 89 90 91 92 92 93 94 95 96...
result:
wrong answer 746th numbers differ - expected: '505', found: '506'