oj.uz

Submission #682924

# Submission time Handle Problem Language Result Execution time Memory
682924 2023-01-17T09:27:39 Z myrcella Crossing (JOI21_crossing) C++17
100 / 100
 745 ms 90000 KB 
//by szh
#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

const int maxn = 2e5+10;

int n,m;

int tree[10][maxn*4];
int add[maxn*4];
int cnt[10][maxn*4][3];
int num[maxn];
string s[3];
int comb[9][3] = {{0,0,1},{0,1,0},{1,0,0},{0,2,2},{2,0,2},{2,2,0},{1,1,2},{1,2,1},{2,1,1}};
int val[9][maxn];
string ss;

void init(int c,int cl,int cr) {
	if (cl==cr) {
		rep(i,0,9) tree[i][c] = (num[int(ss[cl])]==val[i][cl]),cnt[i][c][val[i][cl]]=1;
		return;
	}
	int mid=cl+cr>>1;
	init(c<<1,cl,mid);
	init(c<<1|1,mid+1,cr);
	rep(i,0,9) {
		tree[i][c] = tree[i][c<<1] + tree[i][c<<1|1];
		rep(j,0,3) cnt[i][c][j] = cnt[i][c<<1][j] + cnt[i][c<<1|1][j];
	}
	return;
}

void update(int c,int cl,int cr,int l,int r,int x) {
	if (l<=cl and cr<=r) {
		rep(i,0,9) tree[i][c] = cnt[i][c][x];
		add[c] = x;
		return;
	}
	if (add[c]!=-1) {
		int tmp = add[c];
		rep(i,0,9) tree[i][c<<1] = cnt[i][c<<1][tmp], tree[i][c<<1|1] = cnt[i][c<<1|1][tmp];
		add[c<<1] = tmp, add[c<<1|1] = tmp;
		add[c] = -1;
	}
	int mid=cl+cr>>1;
	if (l<=mid) update(c<<1,cl,mid,l,r,x);
	if (r>mid) update(c<<1|1,mid+1,cr,l,r,x);
	rep(i,0,9) tree[i][c] = tree[i][c<<1] + tree[i][c<<1|1];
}

int main() {
//	freopen("input.txt","r",stdin);	
	memset(add,-1,sizeof(add));
	std::ios::sync_with_stdio(false);cin.tie(0);
	num[int('J')]=0,num[int('O')]=1,num[int('I')]=2;
	cin>>n>>s[0]>>s[1]>>s[2];
	rep(i,0,9) {
		rep(k,0,n) {
			int res = 0;
			rep(j,0,3) res += comb[i][j] * num[int(s[j][k])];
			res%=3;
			val[i][k] = res;
//			cout<<val[i][k]<<" ";
		}
//		cout<<endl;
	}
	cin>>m>>ss;
	init(1,0,n-1);
	bool flag= false;
	rep(i,0,9) if (tree[i][1]==n) flag=true;
	if (flag) cout<<"Yes\n";
	else cout<<"No\n";
//	debug(tree[8][1]);
	while (m--) {
		int l,r;char c;
		cin>>l>>r>>c;
		l--,r--;
		update(1,0,n-1,l,r,num[int(c)]);
//		debug(num[int(c)]);
		flag=false;
		rep(i,0,9) if (tree[i][1]==n) {flag=true;break;}
		if (flag) cout<<"Yes\n";
		else cout<<"No\n";
//		debug(tree[8][1]);
	}
	return 0;
}

Compilation message

Main.cpp: In function 'void init(int, int, int)':
Main.cpp:42:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |  int mid=cl+cr>>1;
      |          ~~^~~
Main.cpp: In function 'void update(int, int, int, int, int, int)':
Main.cpp:64:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |  int mid=cl+cr>>1;
      |          ~~^~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 5656 KB Output is correct
2 Correct 81 ms 5824 KB Output is correct
3 Correct 100 ms 5672 KB Output is correct
4 Correct 71 ms 5628 KB Output is correct
5 Correct 63 ms 5608 KB Output is correct
6 Correct 65 ms 5588 KB Output is correct
7 Correct 67 ms 5712 KB Output is correct
8 Correct 68 ms 5728 KB Output is correct
9 Correct 74 ms 5768 KB Output is correct
10 Correct 68 ms 5732 KB Output is correct
11 Correct 69 ms 5716 KB Output is correct
12 Correct 68 ms 5760 KB Output is correct
13 Correct 73 ms 5708 KB Output is correct
14 Correct 70 ms 5760 KB Output is correct
15 Correct 69 ms 5760 KB Output is correct
16 Correct 69 ms 5708 KB Output is correct
17 Correct 80 ms 5760 KB Output is correct
18 Correct 75 ms 5704 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 5656 KB Output is correct
2 Correct 81 ms 5824 KB Output is correct
3 Correct 100 ms 5672 KB Output is correct
4 Correct 71 ms 5628 KB Output is correct
5 Correct 63 ms 5608 KB Output is correct
6 Correct 65 ms 5588 KB Output is correct
7 Correct 67 ms 5712 KB Output is correct
8 Correct 68 ms 5728 KB Output is correct
9 Correct 74 ms 5768 KB Output is correct
10 Correct 68 ms 5732 KB Output is correct
11 Correct 69 ms 5716 KB Output is correct
12 Correct 68 ms 5760 KB Output is correct
13 Correct 73 ms 5708 KB Output is correct
14 Correct 70 ms 5760 KB Output is correct
15 Correct 69 ms 5760 KB Output is correct
16 Correct 69 ms 5708 KB Output is correct
17 Correct 80 ms 5760 KB Output is correct
18 Correct 75 ms 5704 KB Output is correct
19 Correct 631 ms 89696 KB Output is correct
20 Correct 418 ms 89560 KB Output is correct
21 Correct 314 ms 88968 KB Output is correct
22 Correct 324 ms 88148 KB Output is correct
23 Correct 117 ms 11596 KB Output is correct
24 Correct 123 ms 11556 KB Output is correct
25 Correct 353 ms 89588 KB Output is correct
26 Correct 422 ms 89628 KB Output is correct
27 Correct 472 ms 89628 KB Output is correct
28 Correct 451 ms 89624 KB Output is correct
29 Correct 498 ms 89448 KB Output is correct
30 Correct 134 ms 11596 KB Output is correct
31 Correct 447 ms 89724 KB Output is correct
32 Correct 506 ms 88840 KB Output is correct
33 Correct 180 ms 11544 KB Output is correct
34 Correct 461 ms 89612 KB Output is correct
35 Correct 333 ms 87156 KB Output is correct
36 Correct 131 ms 11648 KB Output is correct
37 Correct 127 ms 11600 KB Output is correct
38 Correct 404 ms 89500 KB Output is correct
39 Correct 160 ms 89756 KB Output is correct
40 Correct 288 ms 49668 KB Output is correct
41 Correct 745 ms 89980 KB Output is correct
42 Correct 94 ms 89180 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 5656 KB Output is correct
2 Correct 81 ms 5824 KB Output is correct
3 Correct 100 ms 5672 KB Output is correct
4 Correct 71 ms 5628 KB Output is correct
5 Correct 63 ms 5608 KB Output is correct
6 Correct 65 ms 5588 KB Output is correct
7 Correct 67 ms 5712 KB Output is correct
8 Correct 68 ms 5728 KB Output is correct
9 Correct 74 ms 5768 KB Output is correct
10 Correct 68 ms 5732 KB Output is correct
11 Correct 69 ms 5716 KB Output is correct
12 Correct 68 ms 5760 KB Output is correct
13 Correct 73 ms 5708 KB Output is correct
14 Correct 70 ms 5760 KB Output is correct
15 Correct 69 ms 5760 KB Output is correct
16 Correct 69 ms 5708 KB Output is correct
17 Correct 80 ms 5760 KB Output is correct
18 Correct 75 ms 5704 KB Output is correct
19 Correct 76 ms 5608 KB Output is correct
20 Correct 86 ms 5572 KB Output is correct
21 Correct 67 ms 5732 KB Output is correct
22 Correct 60 ms 5588 KB Output is correct
23 Correct 67 ms 5732 KB Output is correct
24 Correct 66 ms 5716 KB Output is correct
25 Correct 68 ms 5708 KB Output is correct
26 Correct 64 ms 5644 KB Output is correct
27 Correct 67 ms 5704 KB Output is correct
28 Correct 61 ms 5508 KB Output is correct
29 Correct 68 ms 5736 KB Output is correct
30 Correct 60 ms 5580 KB Output is correct
31 Correct 67 ms 5716 KB Output is correct
32 Correct 67 ms 5796 KB Output is correct
33 Correct 67 ms 5744 KB Output is correct
34 Correct 62 ms 5580 KB Output is correct
35 Correct 69 ms 5820 KB Output is correct
36 Correct 70 ms 5712 KB Output is correct
37 Correct 68 ms 5828 KB Output is correct
38 Correct 71 ms 5708 KB Output is correct
39 Correct 67 ms 5720 KB Output is correct
40 Correct 67 ms 5776 KB Output is correct
41 Correct 68 ms 5700 KB Output is correct
42 Correct 69 ms 5780 KB Output is correct
43 Correct 67 ms 5740 KB Output is correct
44 Correct 67 ms 5708 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 5656 KB Output is correct
2 Correct 81 ms 5824 KB Output is correct
3 Correct 100 ms 5672 KB Output is correct
4 Correct 71 ms 5628 KB Output is correct
5 Correct 63 ms 5608 KB Output is correct
6 Correct 65 ms 5588 KB Output is correct
7 Correct 67 ms 5712 KB Output is correct
8 Correct 68 ms 5728 KB Output is correct
9 Correct 74 ms 5768 KB Output is correct
10 Correct 68 ms 5732 KB Output is correct
11 Correct 69 ms 5716 KB Output is correct
12 Correct 68 ms 5760 KB Output is correct
13 Correct 73 ms 5708 KB Output is correct
14 Correct 70 ms 5760 KB Output is correct
15 Correct 69 ms 5760 KB Output is correct
16 Correct 69 ms 5708 KB Output is correct
17 Correct 80 ms 5760 KB Output is correct
18 Correct 75 ms 5704 KB Output is correct
19 Correct 631 ms 89696 KB Output is correct
20 Correct 418 ms 89560 KB Output is correct
21 Correct 314 ms 88968 KB Output is correct
22 Correct 324 ms 88148 KB Output is correct
23 Correct 117 ms 11596 KB Output is correct
24 Correct 123 ms 11556 KB Output is correct
25 Correct 353 ms 89588 KB Output is correct
26 Correct 422 ms 89628 KB Output is correct
27 Correct 472 ms 89628 KB Output is correct
28 Correct 451 ms 89624 KB Output is correct
29 Correct 498 ms 89448 KB Output is correct
30 Correct 134 ms 11596 KB Output is correct
31 Correct 447 ms 89724 KB Output is correct
32 Correct 506 ms 88840 KB Output is correct
33 Correct 180 ms 11544 KB Output is correct
34 Correct 461 ms 89612 KB Output is correct
35 Correct 333 ms 87156 KB Output is correct
36 Correct 131 ms 11648 KB Output is correct
37 Correct 127 ms 11600 KB Output is correct
38 Correct 404 ms 89500 KB Output is correct
39 Correct 160 ms 89756 KB Output is correct
40 Correct 288 ms 49668 KB Output is correct
41 Correct 745 ms 89980 KB Output is correct
42 Correct 94 ms 89180 KB Output is correct
43 Correct 76 ms 5608 KB Output is correct
44 Correct 86 ms 5572 KB Output is correct
45 Correct 67 ms 5732 KB Output is correct
46 Correct 60 ms 5588 KB Output is correct
47 Correct 67 ms 5732 KB Output is correct
48 Correct 66 ms 5716 KB Output is correct
49 Correct 68 ms 5708 KB Output is correct
50 Correct 64 ms 5644 KB Output is correct
51 Correct 67 ms 5704 KB Output is correct
52 Correct 61 ms 5508 KB Output is correct
53 Correct 68 ms 5736 KB Output is correct
54 Correct 60 ms 5580 KB Output is correct
55 Correct 67 ms 5716 KB Output is correct
56 Correct 67 ms 5796 KB Output is correct
57 Correct 67 ms 5744 KB Output is correct
58 Correct 62 ms 5580 KB Output is correct
59 Correct 69 ms 5820 KB Output is correct
60 Correct 70 ms 5712 KB Output is correct
61 Correct 68 ms 5828 KB Output is correct
62 Correct 71 ms 5708 KB Output is correct
63 Correct 67 ms 5720 KB Output is correct
64 Correct 67 ms 5776 KB Output is correct
65 Correct 68 ms 5700 KB Output is correct
66 Correct 69 ms 5780 KB Output is correct
67 Correct 67 ms 5740 KB Output is correct
68 Correct 67 ms 5708 KB Output is correct
69 Correct 521 ms 88036 KB Output is correct
70 Correct 445 ms 89604 KB Output is correct
71 Correct 141 ms 11824 KB Output is correct
72 Correct 126 ms 11560 KB Output is correct
73 Correct 123 ms 11564 KB Output is correct
74 Correct 349 ms 87892 KB Output is correct
75 Correct 121 ms 11564 KB Output is correct
76 Correct 378 ms 89648 KB Output is correct
77 Correct 347 ms 88100 KB Output is correct
78 Correct 125 ms 11600 KB Output is correct
79 Correct 143 ms 11512 KB Output is correct
80 Correct 304 ms 86800 KB Output is correct
81 Correct 123 ms 11592 KB Output is correct
82 Correct 333 ms 89668 KB Output is correct
83 Correct 340 ms 89088 KB Output is correct
84 Correct 118 ms 11596 KB Output is correct
85 Correct 126 ms 11596 KB Output is correct
86 Correct 432 ms 87412 KB Output is correct
87 Correct 453 ms 89716 KB Output is correct
88 Correct 129 ms 11620 KB Output is correct
89 Correct 452 ms 88496 KB Output is correct
90 Correct 439 ms 89628 KB Output is correct
91 Correct 134 ms 11596 KB Output is correct
92 Correct 280 ms 87356 KB Output is correct
93 Correct 118 ms 11488 KB Output is correct
94 Correct 141 ms 11568 KB Output is correct
95 Correct 142 ms 11528 KB Output is correct
96 Correct 345 ms 89504 KB Output is correct
97 Correct 166 ms 89632 KB Output is correct
98 Correct 347 ms 49668 KB Output is correct
99 Correct 611 ms 90000 KB Output is correct
100 Correct 88 ms 89096 KB Output is correct