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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#100120#5301. Modulo Ruins the Legendlgvc#WA 5ms8988kbC++232.0kb2023-04-24 18:52:462023-04-24 18:52:47

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.
  • [2023-04-24 18:52:47]
  • 评测
  • 测评结果:WA
  • 用时:5ms
  • 内存:8988kb
  • [2023-04-24 18:52:46]
  • 提交

answer

//这回只花了114514min就打完了。
//真好。记得多手造几组。
#include <bits/stdc++.h>
#define int __int128
#define pai 3.141592653589793238462643383279502884197169399375105820
#define MOD 1000000007
#define eps 0.00000001
inline int min(int a,int b) {return a<b?a:b;}
inline int max(int a,int b) {return a>b?a:b;}
#define ULL unsigned long long
#define LL long long
#define INF 0x3f3f3f3f
#define INF_LL 0x3f3f3f3f3f3f3f3f
static char buf[1000000],*paa=buf,*pd=buf;
static char buf2[1000000],*pp=buf2;
#define getchar() paa==pd&&(pd=(paa=buf)+fread(buf,1,1000000,stdin),paa==pd)?EOF:*paa++
inline void pc(char ch){
	if(pp-buf2==1000000) fwrite(buf2,1,1000000,stdout),pp=buf2;
	*pp++=ch;
}
inline void pcc(){
	fwrite(buf2,1,pp-buf2,stdout);
	pp=buf2;
}
inline int read(void) {
	int w=1;
	register int x(0);register char c(getchar());
	while(c<'0'||c>'9') {if(c=='-') w=-1;c=getchar();}
	while(c>='0'&&c<='9') x=(x<<1)+(x<<3)+(c^48),c=getchar();
	return w*x;
}
void write(int x) {
	if(x<0) pc('-'),x=-x;
	static int sta[20];
	int top=0;
	do {
		sta[top++]=x%10,x/=10;
	} while(x);
	while(top) pc(sta[--top]+48);
}
void we(int x) {
	write(x);
	pc('\n');
}
inline bool cmp_xi(int a,int b) {return a<b;}
inline bool cmp_da(int a,int b) {return a>b;}
int N,M,a[1000009],as;
void exgcd(int x,int y,int z,int& xx,int& yy,int w) {
	if(y==0) {
		xx=((z/x)%w+w)%w;
		yy=0;
		return;
	}
	//y y%x
	exgcd(y,x%y,z,yy,xx,w);
	yy-=(x-x%y)/y*xx;
	yy=(yy%w+w)%w;
}
void ff(int x,int y,int z,int w) {
	z+=w;
	z%=w;
	int a,b;
	exgcd(x,y,z,a,b,w);
	write(a);
	pc(' ');
	write(b);
	pc('\n'); 
}
signed main(void) {
    //freopen("m.in","r",stdin);
    //freopen("m.out","w",stdout);
	N=read();M=read();
	for(int i=1;i<=N;i++) {
		a[i]=read();
		as=(as+a[i])%M;
	}
	if(N%2==1) {
		int v=std::__gcd(N,M);
		we(as%v);
		ff(N,N*(N+1)/2,as%v-as,M); 
	} else {
		int v=std::__gcd(N/2,M);
		we(as%v);
		ff(N,N*(N+1)/2,as%v-as,M); 		
	}
	pcc(); 
    return 0;
}


Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 5416kb

input:

6 24
1 1 4 5 1 4

output:

1
15 3

result:

ok ok

Test #2:

score: 0
Accepted
time: 3ms
memory: 5376kb

input:

7 29
1 9 1 9 8 1 0

output:

0
0 0

result:

ok ok

Test #3:

score: 0
Accepted
time: 3ms
memory: 5472kb

input:

1 1
0

output:

0
0 0

result:

ok ok

Test #4:

score: 0
Accepted
time: 0ms
memory: 5424kb

input:

1 1000000000
963837005

output:

0
0 36162995

result:

ok ok

Test #5:

score: 0
Accepted
time: 0ms
memory: 5460kb

input:

2 1
0 0

output:

0
0 0

result:

ok ok

Test #6:

score: 0
Accepted
time: 1ms
memory: 5448kb

input:

2 1000000000
948507269 461613424

output:

0
410120693 589879307

result:

ok ok

Test #7:

score: 0
Accepted
time: 3ms
memory: 8988kb

input:

100000 1
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:

0
0 0

result:

ok ok

Test #8:

score: 0
Accepted
time: 1ms
memory: 8608kb

input:

100000 1000000000
253614966 278270960 980235895 498158918 928430170 216003119 852570558 948400590 239257296 897053667 294741176 38297441 382677590 406314557 609468973 854148232 314532767 738191551 158215002 5865825 920471826 380037058 356271728 749175327 28319049 208101105 953758995 896570758 521930...

output:

46613
535950000 9281

result:

ok ok

Test #9:

score: -100
Wrong Answer
time: 5ms
memory: 7992kb

input:

100000 998244353
561002596 498658036 721339539 63377827 532179242 934651519 234198881 490149304 2056307 499913682 427679408 694677560 516580968 300129454 816286800 688594301 183049581 456627420 495848352 273497462 953217060 796225499 207179832 728054671 409492082 25003432 810431468 206421553 5569626...

output:

0
813594353 3693

result:

wrong answer Result not equal to solution.