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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
#357504#3276. 出题高手edisnimorF0 0ms0kbC++141.9kb2024-03-18 22:03:002024-03-18 22:03:00

Judging History

你现在查看的是最新测评结果

  • [2024-03-18 22:03:00]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:0kb
  • [2024-03-18 22:03:00]
  • 提交

answer

#include<bits/stdc++.h>
#define il inline
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define pii pair<int, int>
#define fr first
#define sc second
#define ll long long
#define mset(f, z) memset(f, z, sizeof(f))
#define mcpy(f, g) memcpy(f, g, sizeof(g))
using namespace std;
template<typename T=ll>
il T rd(){
	T s=0; bool f=1; char c=getchar();
	while(!isdigit(c)) f^=(c=='-'), c=getchar();
	while(isdigit(c)) s=s*10+c-'0', c=getchar();
	return f? s:-s;
}
template<typename T> il void ckmx(T &x, T y){if(x<y) x=y;}
template<typename T> il void ckmn(T &x, T y){if(y<x) x=y;}
char _begin;
#define int ll

const int N=5e5+5, M=705;

int n, m, a[N];

bool operator <(const pii &x, const pii &y){
	return x.fr*y.sc<y.fr*x.sc;
}

vector<pii> q[N];

int B, bid, bel[N], lp[N], rp[N];
pii mx[N], bmx[M], ans[N];

char _end;
signed main(int argc, char *argv[]){
	debug("%lfMB\n", (&_end-&_begin)/1024./1024.);

	n=rd();
	for(int i=1; i<=n; i++) a[i]=rd();
	m=rd();
	for(int i=1; i<=m; i++){
		int l=rd(), r=rd();
		q[r].push_back({l, i});
		ans[i]={0, 1};
	}
	B=sqrt(n);
	for(int i=1; i<=n; i++){
		bid=bel[i]=(i-1)/B+1;
		mx[i]={0, 1};
		if(!lp[bid]) lp[bid]=i, bmx[bid]={0, 1};
		rp[bid]=i;
	}
	//sweep
	for(int i=1; i<=n; i++){
		int sum=0;
		for(int j=i; j>0 && i-j+1<=2000; j--){
			sum+=a[j];
			pii cur={sum*sum, i-j+1};
			ckmx(mx[j], cur);
			ckmx(bmx[bel[j]], cur);
		}
		for(auto [l, id]:q[i]){
			for(int j=l; i<=i; j++) ckmx(ans[id], mx[j]);
			// for(int j=bel[l]+1; j<bel[i]; j++) ckmx(ans[id], bmx[j]);
			// for(int j=l; j<=min(rp[bel[l]], i); j++) ckmx(ans[id], mx[j]);
			// if(bel[l]!=bel[i]) for(int j=lp[bel[i]]; j<=i; j++) ckmx(ans[id], mx[j]);
		}
	}
	for(int i=1; i<=m; i++){
		auto [a, b]=ans[i];
		if(!a) puts("0 1");
		else{
			int gc=__gcd(a, b);
			printf("%lld %lld\n", a/gc, b/gc);
		}
	}
	return 0;
}

详细

Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

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:


result:


Subtask #2:

score: 0
Runtime Error

Test #6:

score: 0
Runtime Error

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:


result:


Subtask #3:

score: 0
Time Limit Exceeded

Test #11:

score: 0
Time Limit Exceeded

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:


Subtask #4:

score: 0
Runtime Error

Test #16:

score: 0
Runtime Error

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:


result:


Subtask #5:

score: 0
Runtime Error

Test #31:

score: 0
Runtime Error

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:


result: