QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#401708 | #8553. Exchanging Kubic | marher | AC ✓ | 63ms | 3712kb | C++14 | 1.9kb | 2024-04-29 10:35:54 | 2024-04-29 10:35:54 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=2e3+500,inf=1e15;
struct node
{
int l,r,w;
friend bool operator<(node a,node b)
{
return a.l<b.l;
}
};
int T,n,a[N];
set<node>s;
int b[N],res[50][50],fir[N];
int ask(int l,int r)
{
cout<<"? "<<l<<' '<<r<<endl;
int ans;cin>>ans;return ans;
}
int merge(set<node>::iterator p1,set<node>::iterator p2,set<node>::iterator p3)
{
auto x=*p1,y=*p2,z=*p3;
int w=ask(x.l,z.r);
if(w==max(x.w,z.w))
{
if((p1==s.begin()&&w==z.w)||(p3==(--s.end())&&w==x.w))
{
a[y.l]=-inf;
if(p1==s.begin())s.erase(p1,p3);
else s.erase(p2,s.end());
return 1;
}
return 0;
}
a[y.l]=w-x.w-z.w;s.erase(p1,++p3);s.insert((node){x.l,z.r,w});
return 1;
}
int mergefir(set<node>::iterator pos)
{
auto p1=pos;pos++;
if(pos==s.end())return 0;
auto p2=pos,p3=++pos;
return merge(p1,p2,p3);
}
int mergelas(set<node>::iterator pos)
{
if(pos==s.begin())return 0;
auto p1=pos,p2=--pos,p3=--pos;
return merge(p3,p2,p1);
}
void sol()
{
cin>>n;
for(int i=1;i<=n;i++)a[i]=ask(i,i);
for(int i=1;i<=n;i++)
{
int pos=i,sum=0;
while(pos<=n&&(a[pos]==0)==(a[i]==0))sum+=a[pos++];
if(sum||(i>1&&pos<=n))s.insert((node){i,pos-1,sum});
i=pos-1;
}
while(s.size()>1)
{
auto pos=s.begin(),x=s.begin();
while(x!=s.end())
{
if((*x).w&&(*x).w<(*pos).w)pos=x;
++x;
}
if(mergefir(pos)||mergelas(pos))continue;
auto A=pos,B=pos;A--;B++;auto C=B;C++;
a[(*B).l]=-(*pos).w;node p=(node){(*A).l,(*B).r,0};
s.erase(A,C);s.insert(p);
}
cout<<"! ";
for(int i=1;i<=n;i++)cout<<a[i]<<' ';cout<<endl;
s.clear();
}
main()
{
cin>>T;
while(T--)sol();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3572kb
input:
2 3 1 0 1 1 5 2 0 3 0 5 4 5
output:
? 1 1 ? 2 2 ? 3 3 ? 1 3 ! 1 -1000000000000000 1 ? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 1 3 ? 1 5 ! 2 -1 3 -1000000000000000 5
result:
ok ok (2 test cases)
Test #2:
score: 0
Accepted
time: 33ms
memory: 3608kb
input:
10000 1 718876398 1 0 1 0 1 0 1 938356223 1 857157125 1 0 1 0 1 0 1 0 1 0 1 965894497 1 0 1 626061677 1 642094813 1 107398046 1 0 1 0 1 0 1 287188651 1 0 1 345108193 1 0 1 0 1 714952783 1 0 1 325760098 1 0 1 800487422 1 322806679 1 0 1 0 1 0 1 866952779 1 741483102 1 492063609 1 0 1 833448280 1 0 1 ...
output:
? 1 1 ! 718876398 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 938356223 ? 1 1 ! 857157125 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 965894497 ? 1 1 ! 0 ? 1 1 ! 626061677 ? 1 1 ! 642094813 ? 1 1 ! 107398046 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 0 ? 1 1 ! 287188651 ? 1 1 ! 0 ? 1 1...
result:
ok ok (10000 test cases)
Test #3:
score: 0
Accepted
time: 23ms
memory: 3612kb
input:
1052 9 167536100 0 373372185 0 427949326 442758705 102715118 0 0 373372185 973423149 9 248442934 306962195 570791475 593033322 0 582850731 559429390 0 120053133 1142280121 2780526396 10 785691778 0 981032824 0 0 592503870 0 0 0 0 1112480382 1112480382 10 0 737563509 985502704 427600980 0 805973591 7...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 1 3 ? 3 7 ! 167536100 -1000000000000000 373372185 -1000000000000000 427949326 442758705 102715118 0 0 ? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 6 9 ? 1 7 ! 248442934 306962195 570791475 593033322 -80983651 582850731 559429390 -10...
result:
ok ok (1052 test cases)
Test #4:
score: 0
Accepted
time: 20ms
memory: 3576kb
input:
105 98 0 622130364 0 603542943 491665548 0 535594695 169182905 269002770 437838930 534070706 783210752 0 914335037 560159875 0 216552904 666995724 0 0 0 753649796 0 0 0 779352417 0 121063647 0 496743470 0 4104890 0 648149367 0 965790695 732089017 0 0 0 0 6701195 0 0 0 0 750231085 0 0 511641740 36964...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (105 test cases)
Test #5:
score: 0
Accepted
time: 16ms
memory: 3664kb
input:
10 911 0 0 318490282 367703800 0 447141340 683983129 0 319014522 385248618 0 0 0 453686281 0 0 503449442 0 451161866 0 422033116 892391115 0 0 0 0 0 0 116949378 0 305018897 441460055 390798833 643328028 0 0 785497871 0 0 0 0 702685168 0 177748037 150437291 920782161 719254975 0 519494673 555035366 0...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (10 test cases)
Test #6:
score: 0
Accepted
time: 21ms
memory: 3640kb
input:
5 1952 0 207059033 0 846665449 247683562 650126777 348616690 570194875 727419904 504212241 0 0 491140658 0 876684021 0 8207113 0 0 0 0 0 0 325502144 0 78879155 0 828506541 357830073 0 831431906 864603826 0 0 656125431 582335892 651256373 0 640787570 0 103421615 0 0 0 0 0 481682299 493673601 93577949...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (5 test cases)
Test #7:
score: 0
Accepted
time: 5ms
memory: 3712kb
input:
5 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (5 test cases)
Test #8:
score: 0
Accepted
time: 10ms
memory: 3564kb
input:
1052 9 911133045 0 526984535 0 931320524 0 928006811 0 176872302 928006811 931320524 1331374524 1340686664 1808307998 9 916585987 0 423565782 0 615681673 0 935399347 0 661248049 615681673 1275831339 1517066200 1517066200 2278784416 10 587217915 0 129148010 0 316225345 0 935126806 0 641901481 0 31622...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 7 9 ? 3 5 ? 1 3 ? 5 7 ? 1 7 ! 911133045 -106743056 526984535 -863753190 931320524 -518640671 928006811 -1000000000000000 176872302 ? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 3 5 ? 1 3 ? 5 7 ? 5 9 ? 1 7 ! 916585987 -64320430 423565...
result:
ok ok (1052 test cases)
Test #9:
score: 0
Accepted
time: 34ms
memory: 3692kb
input:
105 98 488529703 0 468492922 0 802901522 0 475641005 0 635144928 0 319324280 0 312095441 0 637285947 0 863514749 0 567178596 0 785897142 0 706104708 0 913552861 0 580235462 0 86293259 0 945400504 0 549373433 0 807677852 0 115856051 0 376484061 0 984127422 0 202884700 0 516705542 0 286842060 0 517315...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (105 test cases)
Test #10:
score: 0
Accepted
time: 36ms
memory: 3684kb
input:
10 911 190008868 0 267501671 0 615470163 0 133513401 0 314315377 0 660548519 0 555314918 0 941289689 0 231059371 0 56848945 0 294509086 0 423676574 0 947717893 0 631853488 0 420480249 0 447345907 0 368504182 0 757380250 0 498988264 0 155354017 0 832730679 0 982153581 0 779911649 0 228619121 0 524075...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (10 test cases)
Test #11:
score: 0
Accepted
time: 63ms
memory: 3712kb
input:
5 1952 270943944 0 427827622 0 706467567 0 657378898 0 336632977 0 646373280 0 330175227 0 636169757 0 614552419 0 752377204 0 964998361 0 223064174 0 402544250 0 855778411 0 374152994 0 278416329 0 988879952 0 151167996 0 775855140 0 366009963 0 63772275 0 189944036 0 123776551 0 636001304 0 860458...
output:
? 1 1 ? 2 2 ? 3 3 ? 4 4 ? 5 5 ? 6 6 ? 7 7 ? 8 8 ? 9 9 ? 10 10 ? 11 11 ? 12 12 ? 13 13 ? 14 14 ? 15 15 ? 16 16 ? 17 17 ? 18 18 ? 19 19 ? 20 20 ? 21 21 ? 22 22 ? 23 23 ? 24 24 ? 25 25 ? 26 26 ? 27 27 ? 28 28 ? 29 29 ? 30 30 ? 31 31 ? 32 32 ? 33 33 ? 34 34 ? 35 35 ? 36 36 ? 37 37 ? 38 38 ? 39 39 ? 40 4...
result:
ok ok (5 test cases)
Extra Test:
score: 0
Extra Test Passed