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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
#356220#5109. Spider WalkInfinityNSWA 1068ms10064kbC++145.5kb2024-03-17 16:49:242024-03-17 16:49:24

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你现在查看的是最新测评结果

  • [2024-03-17 16:49:24]
  • 评测
  • 测评结果:WA
  • 用时:1068ms
  • 内存:10064kb
  • [2024-03-17 16:49:24]
  • 提交

answer

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ll long long
#define pb push_back
#define f first
#define s second
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ios ios_base::sync_with_stdio(false);cin.tie(NULL)
#define ld long double
#define li __int128

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<int D, typename T>struct vec : public vector<vec<D - 1, T>> {template<typename... Args>vec(int n = 0, Args... args) : vector<vec<D - 1, T>>(n, vec<D - 1, T>(args...)) {}};
template<typename T>struct vec<1, T> : public vector<T> {vec(int n = 0, T val = T()) : vector<T>(n, val) {}};
template<class T1,class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const deque<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T,greater<T> >& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T,greater<T> >& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T1,class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
int ri(){int x;scanf("%i",&x);return x;}
void rd(int&x){scanf("%i",&x);}
void rd(long long&x){scanf("%lld",&x);}
void rd(double&x){scanf("%lf",&x);}
void rd(long double&x){scanf("%Lf",&x);}
void rd(string&x){cin>>x;}
void rd(char*x){scanf("%s",x);}
template<typename T1,typename T2>void rd(pair<T1,T2>&x){rd(x.first);rd(x.second);}
template<typename T>void rd(vector<T>&x){for(T&p:x)rd(p);}
template<typename C,typename...T>void rd(C&a,T&...args){rd(a);rd(args...);}
//istream& operator>>(istream& is,__int128& a){string s;is>>s;a=0;int i=0;bool neg=false;if(s[0]=='-')neg=true,i++;for(;i<s.size();i++)a=a*10+s[i]-'0';if(neg)a*=-1;return is;}
//ostream& operator<<(ostream& os,__int128 a){bool neg=false;if(a<0)neg=true,a*=-1;ll high=(a/(__int128)1e18);ll low=(a-(__int128)1e18*high);string res;if(neg)res+='-';if(high>0){res+=to_string(high);string temp=to_string(low);res+=string(18-temp.size(),'0');res+=temp;}else res+=to_string(low);os<<res;return os;}

const int N=2e5+5;
int lz[4*N],n,m,s;
void prop(int i){
	if(lz[i]==0)return;
	lz[2*i]+=lz[i];
	lz[2*i+1]+=lz[i];
	lz[i]=0;
}
void st(int p,int x,int l=0,int r=n-1,int i=1){
	if(l==r){
		lz[i]=x;
		return;
	}
	int m=(l+r)>>1;
	prop(i);
	if(p<=m){
		st(p,x,l,m,2*i);
	}
	else{
		st(p,x,m+1,r,2*i+1);
	}
}
int gt(int p,int l=0,int r=n-1,int i=1){
	if(l==r)return lz[i];
	int m=(l+r)>>1;
	prop(i);
	if(p<=m)return gt(p,l,m,2*i);
	else return gt(p,m+1,r,2*i+1);
}
void add(int qs,int qe,int x,int l=0,int r=n-1,int i=1){
	if(qs>r||qe<l)return;
	if(qs<=l&&qe>=r){
		lz[i]+=x;
		return;
	}
	int m=(l+r)>>1;
	prop(i);
	add(qs,qe,x,l,m,2*i);
	add(qs,qe,x,m+1,r,2*i+1);
}

int main()
{
	scanf("%i %i %i",&n,&m,&s);
	s--;
	vector<pair<int,int>> br;
	for(int i=0;i<m;i++){
		int d,t;
		scanf("%i %i",&d,&t);
		t--;
		br.pb({d,t});
	}
	sort(all(br));
	reverse(all(br));
	int cnt=1;
	st(s,0);
	for(int i=1;;i++){
		if(cnt==n)break;
		int x=(s+i)%n;
		st(x,i);
		cnt++;
		if(cnt==n)break;
		x=(s-i+n)%n;
		st(x,i);
		cnt++;
	}
	for(auto p:br){
		/*printf("%i %i\n",p.f,p.s);
		for(int i=0;i<n;i++){
			printf("%i ",gt(i));
		}
		printf("\n");*/
		int i=p.s;
		int j=(p.s+1)%n;
		int a=gt(i);
		int b=gt(j);
		//printf("%i %i  %i %i\n",i,j,a,b);
		if(a==b) continue;
		st(i,b);
		st(j,a);
		//assert(abs(a-b)==1);
		if(a>b){ // 2 1 -> 1 2
			int x=(j+1)%n;
			int v=gt(x);
			if(v==a-2){
				st(j,a-1);
			}
			
			x=(i-1+n)%n;
			v=gt(x);
			if(v!=b+2)continue;
			int l=2,r=n/2+2;
			while(l!=r){
				int m=(l+r)>>1;
				x=(i-m+n)%n;
				v=gt(x);
				if(v!=b+m+1){
					r=m;
				}
				else{
					l=m+1;
				}
			}
			x=(i-l+1+n)%n;
			if(x<i){
				add(x,i-1,-1);
			}
			else{
				add(0,i-1,-1);
				add(x,n-1,-1);
			}
		}
		else{
			int x=(i-1+n)%n;
			int v=gt(x);
			if(v==b-2){
				st(i,b-1);
			}
			
			x=(j+1)%n;
			v=gt(x);
			if(v!=a+2)continue;
			int l=2,r=n/2+2;
			while(l!=r){
				int m=(l+r)>>1;
				x=(j+m)%n;
				v=gt(x);
				if(v!=a+m+1){
					r=m;
				}
				else{
					l=m+1;
				}
			}
			x=(j+l-1)%n;
			if(x>j){
				add(j+1,x,-1);
			}
			else{
				add(j+1,n-1,-1);
				add(0,j,-1);
			}
		}
	}
	for(int i=0;i<n;i++){
		printf("%i\n",gt(i));
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 599ms
memory: 9400kb

input:

200000 500000 116205
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
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50...

output:

2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 200000 lines

Test #2:

score: 0
Accepted
time: 1068ms
memory: 10064kb

input:

200000 500000 200000
1 148896
2 178903
3 36800
4 98361
5 79634
6 29266
7 51632
8 166082
9 66246
10 145043
11 41644
12 81858
13 87530
14 199625
15 127160
16 49786
17 181673
18 48403
19 30274
20 101455
21 105100
22 52149
23 22810
24 79308
25 191579
26 96365
27 154697
28 45255
29 64965
30 192604
31 330...

output:

1
0
1
1
2
2
3
3
4
5
6
7
8
8
9
10
11
12
12
11
12
13
14
15
16
17
18
17
18
19
20
21
21
22
23
24
25
26
27
28
27
28
28
29
30
31
31
32
32
33
34
35
36
37
38
39
40
41
42
42
43
44
45
46
47
48
49
50
51
52
52
53
54
55
56
57
58
59
59
60
61
62
61
62
63
64
65
66
66
67
67
68
68
69
70
70
71
72
73
74
75
76
76
77
78
...

result:

ok 200000 lines

Test #3:

score: -100
Wrong Answer
time: 1050ms
memory: 9252kb

input:

189566 481938 180576
30827 77075
266878 6648
251124 43809
22925 151090
165947 34594
248343 179640
217340 68611
1607 145089
312862 151436
72904 160893
55989 147148
189122 110726
408438 184618
461208 122245
404636 154726
148242 165504
8878 31007
300131 17893
433102 58524
388216 49111
307221 65807
1774...

output:

8856
8857
8858
8858
8858
8859
8860
8861
8862
8863
8863
8864
8865
8866
8867
8868
8869
8869
8868
8869
8869
8870
8871
8872
8873
8873
8874
8875
8874
8875
8876
8877
8878
8879
8878
8879
8880
8881
8882
8883
8884
8885
8886
8887
8886
8887
8888
8888
8889
8890
8890
8891
8892
8893
8894
8895
8896
8897
8898
8899
...

result:

wrong answer 1st lines differ - expected: '8691', found: '8856'