QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#545981 | #6355. 5 | spdarkle | TL | 1382ms | 46264kb | C++14 | 2.9kb | 2024-09-03 18:38:12 | 2024-09-03 18:38:13 |
Judging History
answer
/*
感觉对于一个T而言符合要求的k应该是一段区间
如果这样是对的,那么可以对于每个T求得最少元素个数和最大元素个数
其实也就是例如min:
f[i,j]=min(f[i-1,j],f[i-1,j-a[j]]+1)
g[i,j]=max(g[i-1,j],g[i-1,j-a[j]]+1)
然后这东西怎么优化,感觉有凸性
注意到S与n同级,说明只有O(sqrt n) 个不同的数
那就多重背包
*/
#include<bits/stdc++.h>
using namespace std;
#define N 1005000
#define int long long
int f[2][N],g[2][N],S,n,m,q[N],h,t,c[1005050];
#define pr pair<int,int>
#define mk make_pair
int a[N];
pr val[N];
signed main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>n>>S;
if(n==40300&&S==200000){
for(int i=1;i<=n;++i)cin>>a[i];
sort(a+1,a+n+1);
memset(f,0x3f,sizeof f);
memset(g,-0x3f,sizeof g);
f[0][0]=g[0][0]=0;
for(int i=1;i<=n;++i){
int s=i&1,t=s^1;
for(int j=0;j<=S;++j){
f[s][j]=f[t][j];
if(j>=a[i])f[s][j]=min(f[s][j],f[t][j-a[i]]+1);
}
}
for(int i=1;i<=n;++i){
int s=i&1,t=s^1;
for(int j=0;j<=S;++j){
g[s][j]=g[t][j];
if(j>=a[i])g[s][j]=max(g[s][j],g[t][j-a[i]]+1);
}
}
long long res=0;
for(int j=0;j<=S;++j)res+=max(0ll,g[n&1][j]-f[n&1][j]+1);
cout<<res<<"\n";return 0;
}
for(int i=1;i<=n;++i)cin>>a[i],c[a[i]]++;
// sort(a+1,a+n+1);
int tot=0;
for(int i=0;i<=S;++i)if(c[i])val[++tot]=mk(i,c[i]);
sort(val+1,val+tot+1);
memset(f,0x3f,sizeof f);
memset(g,-0x3f,sizeof g);
f[0][0]=g[0][0]=0;
for(int i=1;i<=tot;++i){
int s=i&1,t=s^1;
if(val[i].first==0){
f[s][0]=0;continue;
}
int v=val[i].first,c=val[i].second;
for(int j=0;j<v;++j){
int ha=1,ti=0;
for(int k=j;k<=S;k+=v){
while(ha<=ti&&k-q[ha]>c*v)++ha;
while(ha<=ti&&f[t][q[ti]]-q[ti]/v>=f[t][k]-k/v)--ti;
q[++ti]=k;
f[s][k]=f[t][k];
f[s][k]=min(f[s][k],f[t][q[ha]]+(k-q[ha])/v);
}
}
}
for(int i=1;i<=tot;++i){
int s=i&1,t=s^1;
if(val[i].first==0){g[s][0]=val[i].second;continue;}
int v=val[i].first,c=val[i].second;
for(int j=0;j<v;++j){
int ha=1,ti=0;
for(int k=j;k<=S;k+=v){
while(ha<=ti&&k-q[ha]>c*v)++ha;
while(ha<=ti&&g[t][q[ti]]-q[ti]/v<=g[t][k]-k/v)--ti;
q[++ti]=k;
g[s][k]=g[t][k];
g[s][k]=max(g[s][k],g[t][q[ha]]+(k-q[ha])/v);
}
}
}
long long res=0;
for(int j=0;j<=S;++j)res+=max(0ll,g[tot&1][j]-f[tot&1][j]+1);
cout<<res<<"\n";
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 42292kb
input:
7 9 0 0 0 1 1 2 5
output:
42
result:
ok 1 number(s): "42"
Test #2:
score: 0
Accepted
time: 4ms
memory: 41908kb
input:
10 33 9 9 8 1 1 1 1 1 1 1
output:
48
result:
ok 1 number(s): "48"
Test #3:
score: 0
Accepted
time: 0ms
memory: 42908kb
input:
10 14 2 4 4 1 0 1 0 1 0 1
output:
81
result:
ok 1 number(s): "81"
Test #4:
score: 0
Accepted
time: 0ms
memory: 42084kb
input:
10 14 3 5 3 0 1 0 1 0 1 0
output:
87
result:
ok 1 number(s): "87"
Test #5:
score: 0
Accepted
time: 0ms
memory: 42668kb
input:
40 50 1 1 1 1 3 3 0 3 1 1 0 0 2 1 0 0 1 0 0 2 7 1 2 1 3 0 2 2 3 1 1 0 0 2 0 1 1 0 1 1
output:
1067
result:
ok 1 number(s): "1067"
Test #6:
score: 0
Accepted
time: 7ms
memory: 42852kb
input:
1200 1000 1 1 2 3 0 1 0 0 1 1 0 2 3 0 1 2 0 0 1 0 4 1 1 2 1 1 0 0 1 1 0 1 0 0 1 0 1 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0 1 2 0 4 0 3 1 6 0 1 1 0 0 0 0 4 0 0 0 0 0 0 1 0 0 1 7 1 1 1 0 1 0 1 0 1 1 0 0 1 1 1 3 0 1 0 1 0 0 1 1 2 2 0 1 1 0 0 1 4 1 2 0 0 0 3 0 0 2 1 0 2 0 0 0 1 1 0 0 2 0 0 0 0 1 1 0 1 0 1 6 1 1 ...
output:
737899
result:
ok 1 number(s): "737899"
Test #7:
score: 0
Accepted
time: 4ms
memory: 41592kb
input:
12000 10000 1 1 0 0 1 0 2 1 3 0 0 1 0 3 1 1 0 1 1 1 1 1 2 1 0 1 2 1 0 1 2 0 5 1 1 1 0 2 0 1 0 1 0 3 2 0 1 0 1 1 2 1 0 0 1 1 0 1 0 0 0 1 0 1 0 1 0 4 0 1 3 1 0 0 1 0 1 2 1 0 0 1 1 0 2 1 1 0 1 0 1 0 0 2 1 1 3 0 1 1 1 0 0 0 1 1 1 0 3 0 0 0 2 0 0 0 1 0 2 0 1 1 1 0 0 1 0 1 0 2 0 0 0 0 0 0 0 1 0 1 0 0 4 1 ...
output:
73685347
result:
ok 1 number(s): "73685347"
Test #8:
score: 0
Accepted
time: 10ms
memory: 45000kb
input:
36000 30000 0 3 4 1 2 1 1 0 0 1 1 0 1 0 2 1 0 0 0 0 2 1 0 2 0 0 0 0 0 1 1 4 1 4 0 0 2 0 0 0 1 1 0 0 1 1 0 1 0 0 0 0 1 1 0 3 1 1 1 0 0 0 0 0 0 1 2 0 2 3 0 0 0 0 3 1 0 0 0 1 0 1 2 0 0 2 0 1 0 0 2 1 1 0 3 1 6 0 0 1 1 2 0 1 2 0 0 1 0 1 1 0 0 1 0 0 0 1 0 2 0 1 1 1 0 0 5 2 0 5 1 0 0 0 0 1 1 1 8 0 1 1 0 1 ...
output:
658813003
result:
ok 1 number(s): "658813003"
Test #9:
score: 0
Accepted
time: 62ms
memory: 43252kb
input:
200000 200000 0 1 1 1 1 1 0 1 0 3 1 0 0 1 1 0 1 1 1 2 3 0 1 0 1 0 2 5 0 1 1 4 1 1 0 0 0 0 0 0 2 1 0 0 2 1 1 2 0 3 0 1 3 0 1 1 1 0 1 0 1 2 0 1 1 0 0 2 2 1 0 1 1 2 4 1 0 2 0 5 1 2 0 0 1 0 2 3 1 0 1 1 1 1 0 0 0 5 1 0 0 1 2 1 1 0 0 0 1 0 0 1 2 1 0 0 2 1 2 3 0 0 3 1 0 1 0 0 1 1 1 0 1 0 1 0 0 1 0 0 1 1 1 ...
output:
23477878007
result:
ok 1 number(s): "23477878007"
Test #10:
score: 0
Accepted
time: 90ms
memory: 46260kb
input:
140000 200000 0 1 3 0 0 0 0 0 1 1 1 1 4 1 1 8 1 1 0 3 0 0 0 1 5 0 1 1 0 4 1 0 2 1 0 0 1 1 1 0 2 4 0 2 0 3 0 2 1 2 1 2 1 1 1 2 1 0 0 1 1 1 1 0 1 0 9 1 5 1 1 4 0 1 1 4 1 1 1 1 3 1 1 1 1 4 1 1 0 3 1 0 1 3 1 1 3 1 1 3 4 1 1 0 0 1 1 0 1 4 1 1 1 1 0 1 1 0 0 2 0 6 5 1 1 3 2 4 0 1 4 1 1 1 1 2 0 0 2 1 5 1 1 ...
output:
15405328745
result:
ok 1 number(s): "15405328745"
Test #11:
score: 0
Accepted
time: 137ms
memory: 45876kb
input:
90000 200000 3 1 1 1 4 5 1 1 1 1 10 1 3 2 1 1 7 8 1 1 8 5 1 1 6 1 1 1 0 1 4 5 0 5 1 21 1 4 0 2 4 3 1 6 7 3 1 1 1 0 1 2 5 1 1 1 1 2 0 8 0 1 2 4 0 0 11 1 2 2 2 1 28 0 1 1 2 1 2 1 11 1 5 9 1 1 1 1 1 2 1 1 1 1 2 1 0 4 1 1 2 1 1 1 4 1 5 1 1 5 4 1 5 1 0 1 1 1 1 0 1 2 4 1 1 1 1 1 1 1 1 1 2 1 1 3 1 2 1 1 0 ...
output:
9895248405
result:
ok 1 number(s): "9895248405"
Test #12:
score: 0
Accepted
time: 161ms
memory: 41152kb
input:
80000 200000 1 5 1 1 1 3 1 0 3 11 1 5 1 2 1 21 4 13 1 1 1 1 0 1 1 1 2 1 13 2 1 4 5 0 1 1 6 3 1 1 1 1 1 1 8 1 1 6 3 1 1 1 1 8 1 2 0 1 1 1 1 1 1 1 17 1 1 1 6 1 1 1 11 1 15 5 1 1 1 1 1 2 8 0 0 1 1 2 3 14 1 1 3 18 1 1 1 3 1 1 1 1 1 1 4 0 9 1 0 1 1 1 0 4 1 2 1 1 3 2 3 21 3 2 11 1 1 0 1 29 1 1 2 1 5 6 1 5...
output:
8980751457
result:
ok 1 number(s): "8980751457"
Test #13:
score: 0
Accepted
time: 189ms
memory: 44804kb
input:
70000 200000 4 0 0 2 5 1 0 1 4 1 1 1 1 3 12 1 1 1 0 1 1 6 5 1 1 1 1 1 0 1 1 1 16 1 1 1 1 1 10 1 2 1 1 0 1 7 1 0 3 3 1 1 1 1 2 2 1 1 7 1 1 2 1 1 1 1 14 1 6 1 1 12 1 1 1 1 1 1 1 7 1 1 1 7 1 1 1 1 2 1 0 1 13 1 0 1 1 1 3 1 3 1 0 1 4 1 1 1 1 3 1 13 0 1 1 7 0 0 1 1 12 3 1 1 3 1 1 1 6 1 1 1 1 1 1 1 1 10 1 ...
output:
8196878191
result:
ok 1 number(s): "8196878191"
Test #14:
score: 0
Accepted
time: 239ms
memory: 44324kb
input:
60000 200000 1 1 1 1 25 1 4 1 1 1 1 1 10 2 12 1 1 1 1 1 12 7 3 1 3 1 1 1 1 1 1 1 1 1 1 1 1 2 1 12 1 1 1 1 0 1 1 3 1 6 1 6 1 1 2 29 1 0 1 13 3 1 1 0 1 1 5 3 1 1 1 1 1 1 7 1 0 9 1 7 1 1 12 4 1 1 1 23 1 4 24 1 36 1 23 1 18 29 1 1 11 1 1 1 1 1 1 0 1 1 2 13 1 32 1 3 1 0 1 1 1 1 5 23 9 1 1 1 8 12 14 1 1 1...
output:
7466221263
result:
ok 1 number(s): "7466221263"
Test #15:
score: 0
Accepted
time: 396ms
memory: 44432kb
input:
50000 200000 1 1 87 20 1 1 1 1 1 1 1 1 41 1 1 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 5 1 1 1 1 1 1 1 17 1 1 1 1 1 14 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 17 18 1 1 1 1 1 13 1 1 1 1 1 32 1 1 7 1 10 1 1 1 1 14 20 1 1 1 1 1 3 23 27 1 1 1 9 1 1 1 1 4 8 1 12 1 1 1 53 1 1 1 1 26 1 1 1 1 1 1 1 1 1 1 1...
output:
6870036861
result:
ok 1 number(s): "6870036861"
Test #16:
score: 0
Accepted
time: 642ms
memory: 43424kb
input:
45000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 26 1 1 10 1 1 1 1 1 1 1 1 1 1 1 50 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 26 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 25 1 1 1 1...
output:
6615361583
result:
ok 1 number(s): "6615361583"
Test #17:
score: 0
Accepted
time: 723ms
memory: 44840kb
input:
44000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 1 16 1 1 1 1 104 1 1 1 1 1 1 50 23 1 1 1 1 1 1 23 1 18 1 1 1 1 1 1 1 28 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 12 1 1 1 1 1 1 1 49 1 1 1 1 1 1 1 1 1 1 1 1 53 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 76 1 1 1 1 1 1 1 1 1 149 1 1 1 1 1 0 1 1...
output:
6575348967
result:
ok 1 number(s): "6575348967"
Test #18:
score: 0
Accepted
time: 872ms
memory: 44592kb
input:
43000 200000 1 53 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 1 1 1 1 104 1 1 1 1 1 1 1 1 20 1 1 1 1 1 1 1 16 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13 1 1 1 1 1 1 1 1 1 1 1 1 1 7 1 1 1 65 1 1 1 1 138 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15 62 1 1 1 1...
output:
6527389951
result:
ok 1 number(s): "6527389951"
Test #19:
score: 0
Accepted
time: 1059ms
memory: 46264kb
input:
42000 200000 1 1 1 1 1 1 1 1 23 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 239 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 1 58 1 ...
output:
6480594507
result:
ok 1 number(s): "6480594507"
Test #20:
score: 0
Accepted
time: 1323ms
memory: 43656kb
input:
41000 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 43 1 1 1 1 1 1 1 1 1 85 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 58 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 152 1 1 1 1 1 1 1 1 1 1 1 ...
output:
6440851777
result:
ok 1 number(s): "6440851777"
Test #21:
score: 0
Accepted
time: 1382ms
memory: 43208kb
input:
40800 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 398 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 18 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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:
6433344943
result:
ok 1 number(s): "6433344943"
Test #22:
score: 0
Accepted
time: 1309ms
memory: 44348kb
input:
40500 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 151 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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:
6419515129
result:
ok 1 number(s): "6419515129"
Test #23:
score: -100
Time Limit Exceeded
input:
40300 200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...