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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
#120581#3276. 出题高手zhouhuanyi15 578ms46280kbC++112.8kb2023-07-06 22:23:172023-07-06 22:23:20

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-07-06 22:23:20]
  • 评测
  • 测评结果:15
  • 用时:578ms
  • 内存:46280kb
  • [2023-07-06 22:23:17]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<vector>
#define N 300000
#define inf 1e9
using namespace std;
int read()
{
    char c=0;
    int sum=0,f=1;
    while (c!='-'&&(c<'0'||c>'9')) c=getchar();
    if (c=='-') c=getchar(),f=-1;
    while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
    return sum*f;
}
long long gcd(long long a,long long b)
{
    if (!b) return a;
    return gcd(b,a%b);
}
struct reads
{
    int l,r,num;
};
struct rds
{
    long long a;
    int b;
    bool operator < (const rds &t)const
    {
	return a*t.b<b*t.a;    
    }
};
rds ans[N+1],A[N+1],B[N+1];
int n,m,a[N+1],s[N+1],dque[N+1],top,dque2[N+1],top2,tong[N+1],length,tong2[N+1],length2,ps[N+1],ps2[N+1];
void solve(int l,int r,vector<reads>p)
{
    if (l==r||p.empty()) return;
    int mid=(l+r)>>1,minn=inf,maxn=-inf;
    vector<reads>tA;
    vector<reads>tB;
    length=length2=top=top2=0,A[mid+1]=(rds){-1,0},B[mid]=(rds){-1,0};
    for (int i=mid;i>=l;--i)
    {
	A[i]=A[i+1];
	while (top&&s[dque[top]]<=s[i]) top--;
	while (top2&&s[dque2[top2]]>=s[i]) top2--;
	for (int j=1;j<=top;++j) A[i]=max(A[i],(rds){1ll*(s[i]-s[dque[j]])*(s[i]-s[dque[j]]),dque[j]-i});
	for (int j=1;j<=top2;++j) A[i]=max(A[i],(rds){1ll*(s[i]-s[dque2[j]])*(s[i]-s[dque2[j]]),dque2[j]-i});
	dque[++top]=i,dque2[++top2]=i;
    }
    top=top2=0;
    for (int i=mid+1;i<=r;++i)
    {
	B[i]=B[i-1];
	while (top&&s[dque[top]]<=s[i]) top--;
	while (top2&&s[dque2[top2]]>=s[i]) top2--;
	for (int j=1;j<=top;++j) B[i]=max(B[i],(rds){1ll*(s[i]-s[dque[j]])*(s[i]-s[dque[j]]),i-dque[j]});
	for (int j=1;j<=top2;++j) B[i]=max(B[i],(rds){1ll*(s[i]-s[dque2[j]])*(s[i]-s[dque2[j]]),i-dque2[j]});
	dque[++top]=i,dque2[++top2]=i;
    }
    for (int i=mid;i>=l;--i)
    {
	if (s[i]<minn) minn=s[i],tong[++length]=i;
	if (s[i]>maxn) maxn=s[i],tong[++length]=i;
	ps[i]=length;
    }
    for (int i=mid+1;i<=r;++i)
    {
	if (s[i]<minn) minn=s[i],tong2[++length2]=i;
	if (s[i]>maxn) maxn=s[i],tong2[++length2]=i;
	ps2[i]=length2;
    }
    for (int i=0;i<p.size();++i)
    {
	if (p[i].r<=mid) tA.push_back(p[i]);
	else if (p[i].l>=mid+1) tB.push_back(p[i]);
	else
	{
	    ans[p[i].num]=max(A[p[i].l],B[p[i].r]);
	    for (int j=1;j<=ps[p[i].l];++j)
		for (int k=1;k<=ps2[p[i].r];++k)
		    ans[p[i].num]=max(ans[p[i].num],(rds){1ll*(s[tong2[k]]-s[tong[j]])*(s[tong2[k]]-s[tong[j]]),tong2[k]-tong[j]});
	}
    }
    solve(l,mid,tA),solve(mid+1,r,tB);
    return;
}
int main()
{
    int l,r;
    vector<reads>p;
    n=read();
    for (int i=1;i<=n;++i) a[i]=read(),s[i]=s[i-1]+a[i];
    m=read();
    for (int i=1;i<=m;++i) l=read(),r=read(),p.push_back((reads){l-1,r,i});
    solve(0,n,p);
    for (int i=1;i<=m;++i) printf("%lld %lld\n",ans[i].a/gcd(ans[i].a,ans[i].b),ans[i].b/gcd(ans[i].a,ans[i].b));
    return 0;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 23ms
memory: 26488kb

input:

2000
-113 314 -664 697 211 -199 -38 -190 8 -661 910 -811 -113 942 77 433 -261 -368 129 -525 968 -608 -21 38 -562 438 -935 -228 220 333 985 -430 916 586 764 476 794 664 383 503 206 -60 380 -130 -988 -904 -996 -304 -286 31 114 119 850 -942 714 -369 -842 250 -192 -462 -727 -427 -602 126 231 718 121 559...

output:

54826875 11
14638276 7
1185921 1
81018001 24
6310144 3
12545764 5
3362000 1
23068809 8
23068809 8
12545764 5
1444908 1
5424241 3
1083603 1
2140369 1
2752281 2
3095072 1
3003289 2
4959529 2
17106496 13
4780232 1
89605156 31
8543929 4
129163225 48
4782969 2
68591524 23
8543929 4
35688676 11
3775249 1
...

result:

wrong answer 47th numbers differ - expected: '5094049', found: '4782969'

Subtask #2:

score: 15
Accepted

Test #6:

score: 15
Accepted
time: 38ms
memory: 20228kb

input:

100000
754 792 -680 426 425 347 481 -690 530 378 73 -907 -431 45 -530 -552 440 -890 -15 712 695 -679 -310 13 718 805 193 -291 -877 -74 -355 511 -679 -395 166 -710 -657 -19 874 26 832 507 854 -289 700 -404 472 -302 -977 8 -698 40 766 705 369 838 700 -964 552 -535 -75 -608 -181 -503 468 447 772 904 -2...

output:

466344025 67

result:

ok 2 number(s): "466344025 67"

Test #7:

score: 0
Accepted
time: 32ms
memory: 20216kb

input:

100000
-387 -313 -47 -714 -74 239 8 591 541 -633 -660 981 -230 -148 -813 -802 -108 -543 -640 50 962 137 -972 -936 -975 885 793 -541 932 861 -348 885 -280 -977 -677 964 355 604 54 -977 -548 979 -516 136 437 -697 -23 -748 492 897 -538 785 617 -840 675 -978 307 -288 -493 682 678 -623 613 762 -622 -283 ...

output:

2417885584 385

result:

ok 2 number(s): "2417885584 385"

Test #8:

score: 0
Accepted
time: 35ms
memory: 22012kb

input:

100000
-127 303 92 -235 -794 293 -272 199 -175 693 -799 -750 -501 -283 -358 -657 -867 -152 -399 -299 530 -5 285 959 390 -928 617 -478 -889 -133 -492 -855 986 -664 -984 -690 887 -738 39 -570 -268 -767 640 883 711 -748 -75 426 -268 -541 -926 -792 902 214 561 -428 -285 781 -225 -299 -233 134 -896 569 -...

output:

202236841 30

result:

ok 2 number(s): "202236841 30"

Test #9:

score: 0
Accepted
time: 42ms
memory: 18756kb

input:

100000
-340 -696 48 -515 -584 -60 -888 257 214 -889 782 915 905 -964 -536 459 779 -519 -338 -867 622 -902 655 -153 600 -117 269 -887 -242 -985 -267 132 406 98 -368 400 -871 -908 -489 118 -140 -755 -869 -943 965 609 47 -748 194 -160 994 527 871 119 -891 580 -687 865 826 56 -978 -775 -47 792 313 -944 ...

output:

272184004 39

result:

ok 2 number(s): "272184004 39"

Test #10:

score: 0
Accepted
time: 38ms
memory: 18768kb

input:

100000
-736 -691 738 209 -411 -136 792 -110 -441 -753 254 744 -958 -317 312 856 245 995 912 87 -830 131 393 37 -400 934 279 -784 -308 618 -647 967 527 -162 -874 -770 188 -917 -855 772 482 -373 -749 -40 80 -459 710 -354 221 -343 -132 -947 -445 62 -744 851 848 554 -530 -892 -721 -910 -642 -138 -480 -7...

output:

393070276 51

result:

ok 2 number(s): "393070276 51"

Subtask #3:

score: 0
Wrong Answer

Test #11:

score: 0
Wrong Answer
time: 5ms
memory: 7408kb

input:

500000
794 -75 -596 -322 -945 -908 -609 -164 488 626 -877 -710 140 -120 -475 -837 738 669 634 -643 -682 667 816 -785 -608 -836 -860 -932 242 70 -620 268 -121 288 209 -392 732 750 558 -480 565 327 -217 -891 767 211 -690 -66 813 -889 952 615 432 19 411 800 678 718 522 422 940 -510 -544 449 -357 640 40...

output:


result:

wrong answer Answer contains longer sequence [length = 2], but output contains 0 elements

Subtask #4:

score: 0
Wrong Answer

Test #16:

score: 0
Wrong Answer
time: 151ms
memory: 18984kb

input:

100000
-496 -233 354 -632 -196 177 -878 -255 -19 -636 685 -70 101 -975 -406 -988 -965 -205 563 -766 763 511 -116 -746 -129 14 106 928 -457 -257 -283 226 3 899 -359 -792 615 490 -57 986 -243 624 -239 931 -555 -821 -72 -611 -380 -397 248 -132 956 -195 -322 -231 319 -214 837 -379 -931 -301 -4 -673 280 ...

output:

1352474176 205
13957947 4
67914081 16
33243858 7
10885778 3
27836176 7
50680161 11
235284921 74
106770889 25
2217121 2
2835045 1
14017536 5
134699236 43
286523329 74
28100601 11
17546888 5
23396569 6
80839443 25
4012009 3
2661336 1
42947912 11
3474284 1
61496964 19
3672245 1
6120676 3
7573504 3
1489...

result:

wrong answer 19th numbers differ - expected: '2411809', found: '2217121'

Subtask #5:

score: 0
Wrong Answer

Test #31:

score: 0
Wrong Answer
time: 578ms
memory: 46280kb

input:

100000
139 -485 -497 -818 254 169 -560 22 377 -67 -243 -75 743 -788 -676 -26 -775 371 576 -303 54 733 422 800 445 687 479 -16 -288 259 783 -586 912 616 439 -416 676 -555 172 659 501 -868 337 22 -60 260 603 -982 -149 466 769 -595 -117 949 -544 904 753 20 776 175 -888 937 -792 -647 -615 59 -298 452 -6...

output:

401594700 47
3916125 1
4343056 1
23049601 8
19456921 7
62900761 15
46076944 15
6620329 2
3775805 1
7868025 4
38887696 15
66569281 16
3354050 1
48818169 10
16370116 5
44129449 10
62837329 19
10975969 2
2958400 1
6786025 2
2683044 1
3323047 1
83631025 17
10329796 3
78198649 18
7840000 3
401594700 47
6...

result:

wrong answer 9th numbers differ - expected: '19713600', found: '19456921'