QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#73006 | #5425. Proposition Composition | chenshi | WA | 318ms | 40388kb | C++ | 2.0kb | 2023-01-21 16:34:53 | 2023-01-21 16:34:56 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int o=1e6+10;
int T,n,m,bl[o],c[o],C[o],cnt,tot,rt[o],s[o],ls[o],rs[o],w[o];
long long ans;set<int> S;mt19937 rnd(time(0));
inline void update(int id){s[id]=s[ls[id]]+s[rs[id]]+1;}
void merge(int&id,int x,int y){
if(!x||!y){id=x|y;return;}
if(w[x]<w[y]) id=x,merge(rs[id],rs[x],y);
else id=y,merge(ls[id],x,ls[y]);
update(id);
}
void split(int id,int val,int&x,int&y){
if(!id){x=y=0;return;}
if(id<=val) x=id,split(rs[id],val,rs[x],y);
else y=id,split(ls[id],val,x,ls[y]);
update(id);
}
void dfs(int id,int val){if(id) bl[id]=val,dfs(ls[id],val),dfs(rs[id],val);}
inline void calc(int x,int coef){
if(!C[x]){cnt+=coef*s[rt[x]];return;}
if(C[x]==1) ans+=coef*s[rt[x]]*(s[rt[x]]+1ll)/2;
else ans+=coef*s[rt[x]]*(s[rt[x]]-1ll)/2;
}
inline void splitl(int t,int l,int r){
int x,y;
calc(t,-1);
split(rt[t],l-1,x,y);split(y,r-1,rt[++tot],y);merge(rt[t],x,y);
C[tot]=C[t];calc(t,1);calc(tot,1);
if(s[rt[t]]<s[rt[tot]]) swap(rt[t],rt[tot]);
dfs(rt[tot],tot);
}
inline void splitr(int t,int l,int r){
int x,y;
calc(t,-1);
split(rt[t],r-1,x,y);split(x,l-1,x,rt[++tot]);merge(rt[t],x,y);
C[tot]=C[t];calc(t,1);calc(tot,1);
if(s[rt[t]]<s[rt[tot]]) swap(rt[t],rt[tot]);
dfs(rt[tot],tot);
}
int main(){
for(scanf("%d",&T);T--;S.clear(),ans=0){
scanf("%d%d",&n,&m);cnt=n-1;tot=1;
for(int i=1;i<n;++i)
S.insert(i),c[i]=0,bl[i]=1,w[i]=rnd(),s[i]=1,ls[i]=rs[i]=0,merge(rt[1],rt[1],i);
for(int i=1,l,r;i<=m;printf("%lld\n",ans+cnt*(cnt-1ll)/2+cnt*(n+i-1ll-cnt)),++i){
scanf("%d%d",&l,&r);
if(l==r) continue;
if(l>r) swap(l,r);
splitl(bl[l],l,r);
if(l>1) splitl(bl[l-1],l,r);
splitr(bl[r-1],l,r);
if(r<n) splitr(bl[r],l,r);
--l;
for(set<int>::iterator iter;(iter=S.upper_bound(l))!=S.end()&&(*iter)<r;){
calc(bl[l=*iter],-1);C[bl[l]]=++c[l];calc(bl[l],1);
if(c[l]==2) S.erase(l);
}
}
for(int i=1;i<=tot;++i) rt[i]=C[i]=0;
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 15876kb
input:
3 4 3 2 4 4 2 3 3 7 3 3 4 1 2 1 7 6 4 1 3 4 6 2 5 3 4
output:
6 5 6 21 24 10 15 12 3 2
result:
ok 10 numbers
Test #2:
score: 0
Accepted
time: 83ms
memory: 15876kb
input:
45540 10 9 10 1 1 10 10 1 1 10 1 10 10 1 1 10 3 3 10 1 10 4 1 2 1 10 3 4 1 10 7 6 7 1 5 6 1 7 6 6 7 1 6 7 9 7 3 3 7 7 5 4 1 1 9 1 9 1 6 5 8 7 1 8 4 4 5 6 1 1 1 8 6 6 4 5 3 3 3 2 3 1 3 3 3 9 3 1 3 3 2 2 3 3 3 1 2 2 1 1 2 3 3 1 10 1 2 1 7 1 1 7 3 8 1 3 1 3 3 3 1 3 2 2 1 3 1 3 3 3 3 6 3 1 1 3 1 3 1 3 1...
output:
45 36 36 36 36 36 36 36 36 45 36 28 21 21 15 10 10 10 6 36 44 50 57 28 21 15 28 28 21 21 15 15 10 3 1 1 3 3 3 3 1 1 1 0 0 45 21 3 1 1 1 1 1 1 1 3 1 1 1 1 1 45 36 36 36 36 36 36 36 3 3 1 0 0 0 0 0 0 3 1 0 0 15 10 10 0 0 0 0 0 0 0 0 28 34 21 6 6 6 6 1 0 0 21 15 15 0 0 0 0 0 0 0 45 53 0 0 0 0 0 0 0 0 1...
result:
ok 249586 numbers
Test #3:
score: 0
Accepted
time: 112ms
memory: 16128kb
input:
2507 86 4 41 41 36 36 31 30 86 1 110 22 1 110 110 1 11 11 110 1 110 1 110 1 1 110 107 106 72 72 106 106 74 74 1 110 110 1 58 58 110 1 110 1 1 110 101 100 110 1 100 100 110 1 8 7 114 180 114 1 114 1 114 1 1 114 1 114 114 1 37 38 49 48 105 106 1 114 90 90 1 114 9 9 114 1 67 68 20 20 114 1 1 114 54 55 ...
output:
3655 3740 3823 3570 5995 5886 5886 5886 5886 5886 5886 5778 5778 5778 5778 5778 5778 5778 5778 5778 5778 5671 5671 5671 5671 5565 6441 6328 6328 6328 6328 6328 6216 6105 5995 5995 5995 5995 5995 5995 5886 5886 5886 5886 5778 5671 5671 5565 5565 5460 5460 5460 5460 5460 5356 5253 5253 5253 5151 5151 ...
result:
ok 249877 numbers
Test #4:
score: 0
Accepted
time: 159ms
memory: 25312kb
input:
3 82425 27858 30801 30802 1 82425 73850 73850 1 82425 65949 65949 82425 1 76026 76025 61936 61936 82425 1 82425 1 82425 1 6504 6504 82425 1 25155 25156 79743 79743 1 82425 69406 69406 29247 29247 18351 18351 23171 23170 29704 29703 82425 1 1 82425 82425 1 74918 74917 22395 22394 893 894 82425 1 391 ...
output:
3396899100 3396816676 3396816676 3396734253 3396734253 3396734253 3396651831 3396651831 3396651831 3396651831 3396651831 3396651831 3396651831 3396569410 3396569410 3396569410 3396569410 3396569410 3396569410 3396486990 3396404571 3396404571 3396404571 3396404571 3396322153 3396239736 3396157320 339...
result:
ok 116748 numbers
Test #5:
score: 0
Accepted
time: 316ms
memory: 40388kb
input:
1 250000 250000 248617 248617 1 250000 47808 47809 1 250000 1 250000 110493 110494 1 250000 66675 66676 141326 141327 250000 1 115279 115280 193218 193219 250000 1 77714 77715 1 250000 1 250000 212943 212943 223061 223060 1 250000 250000 1 1 250000 71059 71059 1 250000 246523 246522 1 250000 88700 8...
output:
31249875000 31249875000 31249625001 31249375003 31249375003 31249125006 31249125006 31248875010 31248625015 31248625015 31248375021 31248125028 31248125028 31247875036 31247875036 31247875036 31247875036 31247625045 31247625045 31247625045 31247625045 31247625045 31247625045 31247375055 31247375055 ...
result:
ok 250000 numbers
Test #6:
score: 0
Accepted
time: 92ms
memory: 15928kb
input:
45364 9 7 1 8 9 8 8 9 8 2 9 8 2 8 4 2 10 2 2 10 1 10 10 7 8 9 4 4 10 10 1 10 2 9 9 1 6 8 6 7 6 2 5 1 1 5 5 5 1 5 2 3 5 1 10 1 2 10 9 6 1 8 2 9 2 1 9 8 2 8 8 1 1 4 1 1 1 1 1 1 1 1 8 1 2 2 3 7 3 2 2 2 3 1 2 3 2 3 3 3 3 3 5 1 4 2 3 9 3 1 1 2 1 2 2 1 2 1 1 1 3 2 2 2 3 2 3 2 3 1 3 2 3 6 3 1 2 2 2 2 1 3 3...
output:
36 29 28 16 16 16 8 45 29 45 53 61 36 18 16 8 15 5 4 4 4 2 2 45 36 17 16 15 15 15 0 0 0 0 28 3 4 1 1 1 1 1 10 3 1 1 1 1 1 0 0 0 3 1 3 3 3 1 0 0 6 36 30 12 8 8 3 4 5 5 1 0 0 0 0 0 6 5 6 1 0 0 0 0 0 0 28 32 19 20 11 7 7 21 17 17 12 4 3 2 1 1 21 11 7 6 3 3 1 2 1 1 28 25 20 21 22 22 23 11 1 1 28 1 1 0 0...
result:
ok 249141 numbers
Test #7:
score: 0
Accepted
time: 130ms
memory: 15924kb
input:
2517 14 35 2 13 14 1 14 14 1 14 7 7 1 14 7 7 2 14 9 11 2 4 2 13 11 12 14 2 13 1 14 1 13 2 12 11 2 14 1 13 12 11 1 14 4 5 2 14 14 14 13 13 10 9 14 2 1 14 14 2 13 2 14 2 7 8 6 6 1 1 13 1 51 125 30 30 40 39 25 24 51 1 1 51 40 40 8 7 50 2 2 50 7 9 50 1 30 30 47 49 14 16 2 4 1 51 1 50 6 6 1 51 4 4 50 2 2...
output:
91 58 58 56 56 56 56 55 37 23 23 17 17 17 17 17 17 17 17 17 17 12 12 12 12 11 11 11 11 11 11 7 7 7 7 1275 1324 1370 1176 1128 1128 1081 991 991 947 946 946 862 782 706 706 706 706 706 706 706 706 706 668 598 598 598 598 532 532 532 532 532 532 532 500 469 469 469 469 411 383 383 383 331 331 331 331 ...
result:
ok 250000 numbers
Test #8:
score: 0
Accepted
time: 118ms
memory: 24860kb
input:
5 65849 4012 8907 8905 21927 21927 2 65849 2 65848 65849 1 1 65849 48863 48861 2 65849 7795 7795 65849 2 2 65849 65849 2 2696 2695 65848 2 41766 41765 2 65849 36403 36403 65849 2 32613 32613 26782 26781 60024 60024 44568 44570 5043 5043 52955 52954 15301 15299 65849 2 1 65849 27002 27000 22706 22707...
output:
2168012476 2168078322 2167880786 2167749099 2167683248 2167683247 2167551563 2167551563 2167551563 2167551563 2167551563 2167551563 2167485722 2167485722 2167419882 2167419882 2167419882 2167419882 2167419882 2167354043 2167354043 2167222369 2167222369 2167156533 2167024865 2167024865 2167024865 216...
result:
ok 52236 numbers
Test #9:
score: 0
Accepted
time: 318ms
memory: 39040kb
input:
1 250000 250000 97733 97731 132027 132027 196875 196877 1 250000 170476 170476 44407 44407 250000 1 249999 2 133959 133958 45337 45335 246071 246069 2589 2587 1 249999 172569 172570 2 249999 250000 2 244802 244804 79199 79199 1 249999 249999 1 213003 213003 84015 84014 92491 92492 124485 124485 1803...
output:
31249875000 31250124997 31250374986 31248875012 31248875012 31248875012 31248625017 31248125031 31247875039 31247375059 31246875083 31246375111 31246375110 31246125125 31246125125 31246125125 31245625159 31245625159 31245625159 31245625159 31245625159 31245375177 31245125196 31245125196 31244875216 ...
result:
ok 250000 numbers
Test #10:
score: -100
Wrong Answer
time: 84ms
memory: 15872kb
input:
45413 6 5 3 1 6 5 5 1 2 5 2 2 9 3 5 5 4 5 5 4 6 10 1 6 5 2 6 3 5 2 2 2 2 6 3 5 5 5 2 2 1 6 7 3 4 4 1 1 4 1 6 10 1 1 4 6 2 2 3 5 3 5 5 3 4 6 4 4 3 5 5 5 1 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 4 4 10 6 3 3 8 3 6 10 1 4 4 9 5 2 9 2 1 7 7 2 9 1 9 5 1 5 5 3 2 1 3 2 1 9 8 6 3 9 6 4 4 6 9 7 7 7 4 ...
output:
15 15 5 2 2 36 43 49 15 6 2 2 2 2 2 2 2 1 21 27 27 15 18 21 17 18 20 21 23 25 27 0 0 0 0 0 0 0 0 0 0 45 31 26 28 45 36 29 29 22 21 10 3 1 36 29 31 30 32 28 29 4 1 2 3 4 5 6 1 1 0 0 45 52 43 37 34 34 36 35 37 21 16 12 11 12 13 12 13 10 10 8 8 9 10 11 1 1 36 28 8 45 32 26 27 18 16 17 17 2 1 10 8 2 1 0...
result:
wrong answer 389th numbers differ - expected: '4', found: '2'