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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#233491 | #5359. 面国建设 | xyz123 | 100 ✓ | 2115ms | 64196kb | C++14 | 3.0kb | 2023-10-31 18:19:33 | 2023-10-31 18:19:33 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const long long mod=1e9+7;
long long T,a,b,c,d[1000001],v[1000001],o,h[1000001],fa[1000001],q,w,e,an,cn,fac[1000001],inv[1000001],st[1000001],u[1000001],g[1000001];
char s[1000001];
struct p{long long q,w;}l[1000001];
long long pow_(long long qq,long long ww){long long ee=1;while(ww){if(ww&1) ee*=qq,ee%=mod;qq*=qq,qq%=mod,ww>>=1;}return ee%mod;}
inline int read(){int x=0,f=1;char c=getchar();while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}while(c>='0'&&c<='9'){x=(x<<3)+(x<<1)+c-'0';c=getchar();}return x*f;}
void add(long long qq,long long ww){l[++o].q=ww,l[o].w=h[qq],h[qq]=o;}
long long gcd(long long qq,long long ww){return !ww?qq:gcd(ww,qq%ww);}
long long find(long long qq){return qq==fa[qq]?qq:fa[qq]=find(fa[qq]);}
void merge(long long qq,long long ww){long long f1=find(qq),f2=find(ww);if(f1==f2) return;fa[f1]=f2;}
long long C(long long qq,long long ww){return fac[qq]*inv[ww]%mod*inv[qq-ww]%mod;}
vector<long long> qu[1000001];
int main()
{
// freopen("1.in","r",stdin);
srand((unsigned)(time(0)^(*new int)));
fac[0]=1;for(int i=1;i<=1000000;i++) fac[i]=fac[i-1]*i%mod;
inv[1000000]=pow_(fac[1000000],mod-2);for(int i=999999;i>=0;i--) inv[i]=inv[i+1]*(i+1)%mod;
d[1]=2;g[1]=2;
for(int i=2;i<=200000;i++)
{
d[i]=g[i]=1e9;
for(int j=1;j<=i/2&&j<=200;j++)
{
g[i]=min(g[i],g[j]+g[i-j]);
}
// if(i<=200) cout<<i<<" "<<idd<<"\n";
for(int j=1;j<=i/2&&j<=200;j++)
{
for(int k=0;k<qu[j].size();k++)
{
for(int m=0;m<qu[i-j].size();m++)
{
v[qu[j][k]+qu[i-j][m]]=1;
}
}
}
for(int j=1;j<i&&j<=200;j++)
{
for(int k=0;k<qu[i-j].size();k++)
{
for(int m=g[j];m<=j*2&&m+qu[i-j][k]<g[i];m++)
{
v[m+qu[i-j][k]]=1;
}
}
}
for(int j=1;j<i&&j<=200;j++)
{
for(int k=0;k<qu[j].size();k++)
{
for(int m=g[i-j];m<=(i-j)*2&&m+qu[j][k]<g[i];m++)
{
v[m+qu[j][k]]=1;
}
}
}
for(int j=sqrt(i);j>=1;j--)
{
if(i%j==0)
{
if(j+i/j<g[i]) v[j+i/j]=1;
}
}
while(v[g[i]-1])
{
--g[i];v[g[i]]=0;
}
for(int j=1;j<g[i];j++) if(v[j]) qu[i].push_back(j),v[j]=0;
for(int j=1;j<=i/2&&j<=200;j++)
{
for(int k=0;k<qu[j].size();k++)
{
for(int m=0;m<qu[i-j].size();m++)
{
v[qu[j][k]+qu[i-j][m]]=0;
}
}
}
for(int j=1;j<i&&j<=200;j++)
{
for(int k=0;k<qu[i-j].size();k++)
{
for(int m=g[j];m<=j*2&&m+qu[i-j][k]<=g[i];m++)
{
v[m+qu[i-j][k]]=0;
}
}
}
for(int j=1;j<i&&j<=200;j++)
{
for(int k=0;k<qu[j].size();k++)
{
for(int m=g[i-j];m<=(i-j)*2&&m+qu[j][k]<=g[i];m++)
{
v[m+qu[j][k]]=0;
}
}
}
}
// cout<<g[200000];return 0;
scanf("%lld%lld",&a,&b);b/=2;
for(int i=1;i<=a;i++)
{
long long gg=min((long long)(i*2),b);
if(gg>=g[i]) an+=gg-g[i]+1;
for(int j=0;j<qu[i].size();j++)
{
if(qu[i][j]<=gg&&qu[i][j]<g[i]) ++an;
}
}
printf("%lld",an);
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Subtask #1:
score: 6
Accepted
Test #1:
score: 6
Accepted
time: 2113ms
memory: 60400kb
input:
4 10
output:
7
result:
ok single line: '7'
Test #2:
score: 0
Accepted
time: 2108ms
memory: 61888kb
input:
7 2
output:
0
result:
ok single line: '0'
Test #3:
score: 0
Accepted
time: 2115ms
memory: 57360kb
input:
6 6
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 2105ms
memory: 61868kb
input:
10 7
output:
2
result:
ok single line: '2'
Test #5:
score: 0
Accepted
time: 2104ms
memory: 60532kb
input:
8 10
output:
8
result:
ok single line: '8'
Test #6:
score: 0
Accepted
time: 2103ms
memory: 61924kb
input:
10 8
output:
5
result:
ok single line: '5'
Subtask #2:
score: 12
Accepted
Dependency #1:
100%
Accepted
Test #7:
score: 12
Accepted
time: 2101ms
memory: 61792kb
input:
399 994
output:
125266
result:
ok single line: '125266'
Test #8:
score: 0
Accepted
time: 2097ms
memory: 59296kb
input:
742 645
output:
184225
result:
ok single line: '184225'
Test #9:
score: 0
Accepted
time: 2115ms
memory: 62184kb
input:
932 900
output:
328424
result:
ok single line: '328424'
Test #10:
score: 0
Accepted
time: 2103ms
memory: 57428kb
input:
943 971
output:
357500
result:
ok single line: '357500'
Test #11:
score: 0
Accepted
time: 2099ms
memory: 62160kb
input:
955 897
output:
335817
result:
ok single line: '335817'
Test #12:
score: 0
Accepted
time: 2102ms
memory: 61932kb
input:
903 971
output:
340678
result:
ok single line: '340678'
Test #13:
score: 0
Accepted
time: 2105ms
memory: 59792kb
input:
954 978
output:
364964
result:
ok single line: '364964'
Test #14:
score: 0
Accepted
time: 2106ms
memory: 58556kb
input:
908 902
output:
319849
result:
ok single line: '319849'
Test #15:
score: 0
Accepted
time: 2096ms
memory: 60884kb
input:
934 908
output:
332030
result:
ok single line: '332030'
Test #16:
score: 0
Accepted
time: 2106ms
memory: 59176kb
input:
961 924
output:
348391
result:
ok single line: '348391'
Subtask #3:
score: 31
Accepted
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Test #17:
score: 31
Accepted
time: 2108ms
memory: 57292kb
input:
1951 2977
output:
2228950
result:
ok single line: '2228950'
Test #18:
score: 0
Accepted
time: 2103ms
memory: 60676kb
input:
4626 5415
output:
10254469
result:
ok single line: '10254469'
Test #19:
score: 0
Accepted
time: 2108ms
memory: 60484kb
input:
5983 4766
output:
12197679
result:
ok single line: '12197679'
Test #20:
score: 0
Accepted
time: 2099ms
memory: 59276kb
input:
5094 5425
output:
11472637
result:
ok single line: '11472637'
Test #21:
score: 0
Accepted
time: 2103ms
memory: 60504kb
input:
5598 4989
output:
11826716
result:
ok single line: '11826716'
Test #22:
score: 0
Accepted
time: 2100ms
memory: 60968kb
input:
5577 5188
output:
12208146
result:
ok single line: '12208146'
Test #23:
score: 0
Accepted
time: 2097ms
memory: 60788kb
input:
5688 5804
output:
13807758
result:
ok single line: '13807758'
Test #24:
score: 0
Accepted
time: 2102ms
memory: 60792kb
input:
5856 5309
output:
13161066
result:
ok single line: '13161066'
Test #25:
score: 0
Accepted
time: 2107ms
memory: 59728kb
input:
5378 5859
output:
13061554
result:
ok single line: '13061554'
Test #26:
score: 0
Accepted
time: 2102ms
memory: 59772kb
input:
5729 5635
output:
13554877
result:
ok single line: '13554877'
Subtask #4:
score: 51
Accepted
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Dependency #3:
100%
Accepted
Test #27:
score: 51
Accepted
time: 2107ms
memory: 58692kb
input:
177004 361104
output:
23708315017
result:
ok single line: '23708315017'
Test #28:
score: 0
Accepted
time: 2087ms
memory: 60728kb
input:
165955 330686
output:
20513788444
result:
ok single line: '20513788444'
Test #29:
score: 0
Accepted
time: 2105ms
memory: 59044kb
input:
196341 379690
output:
28146877343
result:
ok single line: '28146877343'
Test #30:
score: 0
Accepted
time: 2105ms
memory: 57464kb
input:
157573 352489
output:
19921485073
result:
ok single line: '19921485073'
Test #31:
score: 0
Accepted
time: 2111ms
memory: 60568kb
input:
174981 388787
output:
24469285862
result:
ok single line: '24469285862'
Test #32:
score: 0
Accepted
time: 2096ms
memory: 62092kb
input:
179053 386583
output:
25166888234
result:
ok single line: '25166888234'
Test #33:
score: 0
Accepted
time: 2101ms
memory: 62072kb
input:
181239 344051
output:
23675514126
result:
ok single line: '23675514126'
Test #34:
score: 0
Accepted
time: 2090ms
memory: 59364kb
input:
194920 395575
output:
28656790378
result:
ok single line: '28656790378'
Test #35:
score: 0
Accepted
time: 2095ms
memory: 62248kb
input:
179011 399658
output:
25686628463
result:
ok single line: '25686628463'
Test #36:
score: 0
Accepted
time: 2105ms
memory: 57500kb
input:
183359 394921
output:
26352667541
result:
ok single line: '26352667541'
Test #37:
score: 0
Accepted
time: 2112ms
memory: 60844kb
input:
195360 389377
output:
28442072522
result:
ok single line: '28442072522'
Test #38:
score: 0
Accepted
time: 2107ms
memory: 57452kb
input:
191706 397710
output:
28122791775
result:
ok single line: '28122791775'
Test #39:
score: 0
Accepted
time: 2107ms
memory: 59700kb
input:
191762 396427
output:
28074496102
result:
ok single line: '28074496102'
Test #40:
score: 0
Accepted
time: 2099ms
memory: 59784kb
input:
197603 386515
output:
28732769430
result:
ok single line: '28732769430'
Test #41:
score: 0
Accepted
time: 2107ms
memory: 59144kb
input:
190189 377777
output:
26893005583
result:
ok single line: '26893005583'
Test #42:
score: 0
Accepted
time: 2107ms
memory: 61976kb
input:
189770 391031
output:
27434979251
result:
ok single line: '27434979251'
Test #43:
score: 0
Accepted
time: 2112ms
memory: 58716kb
input:
194039 389514
output:
28192735947
result:
ok single line: '28192735947'
Test #44:
score: 0
Accepted
time: 2097ms
memory: 62136kb
input:
197815 388430
output:
28870257334
result:
ok single line: '28870257334'
Test #45:
score: 0
Accepted
time: 2097ms
memory: 58612kb
input:
189687 383322
output:
27060812973
result:
ok single line: '27060812973'
Test #46:
score: 0
Accepted
time: 2105ms
memory: 64196kb
input:
196059 391296
output:
28672072117
result:
ok single line: '28672072117'