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Submission #577348

# Submission time Handle Problem Language Result Execution time Memory
577348 2022-06-14T15:07:29 Z rembocoder Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 9144 KB 
    #include "bits/stdc++.h"
    using namespace std;
     
    #define ar array
    #define ll int64_t
     
    const int N = 3e5 + 5;
    const int Q = 5e4 + 5;
    const int B = 850;
    int a[N], l[Q], r[Q], cnt[N];
    int is[N], mm[N];
    ll res[Q], dp[N];
     
    signed main(){
    	ios::sync_with_stdio(0); cin.tie(0);
    	
    	int n, q; cin>>n>>q;
    	vector<int> p;
    	for(int i=0;i<n;i++){
    		cin>>a[i];
    	}
    	for(int i=1;i<N;i++){
    		dp[i] = dp[i-1] + (i * 1ll * (i - 1) / 2);
    	}
    	for(int i=0;i<q;i++){
    		cin>>l[i]>>r[i];
    		l[i]--;
    		p.push_back(i);
    	}
    	sort(p.begin(), p.end(), [&](int i, int j){
    		if(l[i] / B != l[j] / B){
    			return l[i] < l[j];
    		} 
    		return r[i] < r[j];
    	});
    	
    	set<int> ss;
    	auto add = [&](int i){
    		if(cnt[a[i]]){
    			mm[cnt[a[i]]]--;
    			if(!mm[cnt[a[i]]]) ss.erase(cnt[a[i]]);
    		} 
    		cnt[a[i]]++;
    		if(!mm[cnt[a[i]]]) ss.insert(cnt[a[i]]);
    		mm[cnt[a[i]]]++;
    	};
    	auto del = [&](int i){
    		//~ assert(cnt[a[i]]);
    		mm[cnt[a[i]]]--;
    		if(!mm[cnt[a[i]]]) ss.erase(cnt[a[i]]);
    		cnt[a[i]]--;
    		if(cnt[a[i]]){
    			if(!mm[cnt[a[i]]]) ss.insert(cnt[a[i]]);
    			mm[cnt[a[i]]]++;
    		}
    	};
    	
    	int lx = 0, rx = 0;
    	for(auto i : p){
    		if(rx > r[i]){ 
    			ss.clear();
    			lx = rx = l[i];
    			memset(cnt, 0, sizeof cnt);
    			memset(mm, 0, sizeof mm);
    		}
    		while(rx < r[i]){
    			add(rx++);
    		}
    		while(lx > l[i]){
    			add(--lx);
    		}
    		while(lx < l[i]){
    			del(lx++);
    		}
    		
    		int ls = 0, rs = 0;
    		vector<ar<ll, 2>> L, R;
    		for(auto v : ss){
    			int c = mm[v];
    			int b = (c + 1) / 2, s = c / 2;
    			if(ls > rs) swap(b, s);
    			if(b) L.push_back({v, b}), ls += b;
    			if(s) R.push_back({v, s}), rs += s;
    		}
    		reverse(R.begin(), R.end());
    		L.insert(L.end(), R.begin(), R.end());
    		ll sum = 0, sumj = 0, p = 0;
    		for(auto [v, c] : L){
    			ll C = p * c + c * (c - 1) / 2;
    			res[i] = res[i] + v * C * sum - v * c * sumj;
    			res[i] += dp[c] * v * v;
    			sumj += v * C;
    			sum += v * c;
    			p += c;
    		}
    		
    		res[i] += sum * (sum + 1) / 2;
    	}
    	
    	for(int i=0;i<q;i++) cout<<res[i]<<"\n";
    }

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2628 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 3 ms 2644 KB Output is correct
3 Correct 4 ms 2772 KB Output is correct
4 Correct 16 ms 3376 KB Output is correct
5 Correct 40 ms 4056 KB Output is correct
6 Correct 54 ms 4700 KB Output is correct
7 Correct 37 ms 5056 KB Output is correct
8 Correct 43 ms 4556 KB Output is correct
9 Correct 49 ms 4580 KB Output is correct
10 Correct 47 ms 4860 KB Output is correct
11 Correct 53 ms 4684 KB Output is correct
12 Correct 47 ms 4684 KB Output is correct
13 Correct 44 ms 4696 KB Output is correct
14 Correct 42 ms 4752 KB Output is correct
15 Correct 42 ms 4684 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 3 ms 2644 KB Output is correct
3 Correct 4 ms 2772 KB Output is correct
4 Correct 16 ms 3376 KB Output is correct
5 Correct 40 ms 4056 KB Output is correct
6 Correct 54 ms 4700 KB Output is correct
7 Correct 37 ms 5056 KB Output is correct
8 Correct 43 ms 4556 KB Output is correct
9 Correct 49 ms 4580 KB Output is correct
10 Correct 47 ms 4860 KB Output is correct
11 Correct 53 ms 4684 KB Output is correct
12 Correct 47 ms 4684 KB Output is correct
13 Correct 44 ms 4696 KB Output is correct
14 Correct 42 ms 4752 KB Output is correct
15 Correct 42 ms 4684 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 5 ms 2772 KB Output is correct
19 Correct 21 ms 3412 KB Output is correct
20 Correct 33 ms 4044 KB Output is correct
21 Correct 53 ms 4820 KB Output is correct
22 Correct 49 ms 4684 KB Output is correct
23 Correct 48 ms 4784 KB Output is correct
24 Correct 56 ms 4652 KB Output is correct
25 Correct 53 ms 4780 KB Output is correct
26 Correct 49 ms 4652 KB Output is correct
27 Correct 48 ms 4812 KB Output is correct
28 Correct 50 ms 4816 KB Output is correct
29 Correct 51 ms 4708 KB Output is correct
30 Correct 49 ms 4812 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 3 ms 2644 KB Output is correct
3 Correct 4 ms 2772 KB Output is correct
4 Correct 16 ms 3376 KB Output is correct
5 Correct 40 ms 4056 KB Output is correct
6 Correct 54 ms 4700 KB Output is correct
7 Correct 37 ms 5056 KB Output is correct
8 Correct 43 ms 4556 KB Output is correct
9 Correct 49 ms 4580 KB Output is correct
10 Correct 47 ms 4860 KB Output is correct
11 Correct 53 ms 4684 KB Output is correct
12 Correct 47 ms 4684 KB Output is correct
13 Correct 44 ms 4696 KB Output is correct
14 Correct 42 ms 4752 KB Output is correct
15 Correct 42 ms 4684 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 5 ms 2772 KB Output is correct
19 Correct 21 ms 3412 KB Output is correct
20 Correct 33 ms 4044 KB Output is correct
21 Correct 53 ms 4820 KB Output is correct
22 Correct 49 ms 4684 KB Output is correct
23 Correct 48 ms 4784 KB Output is correct
24 Correct 56 ms 4652 KB Output is correct
25 Correct 53 ms 4780 KB Output is correct
26 Correct 49 ms 4652 KB Output is correct
27 Correct 48 ms 4812 KB Output is correct
28 Correct 50 ms 4816 KB Output is correct
29 Correct 51 ms 4708 KB Output is correct
30 Correct 49 ms 4812 KB Output is correct
31 Correct 3 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 4 ms 2772 KB Output is correct
35 Correct 3 ms 2772 KB Output is correct
36 Correct 3 ms 2772 KB Output is correct
37 Correct 11 ms 3032 KB Output is correct
38 Correct 6 ms 3028 KB Output is correct
39 Correct 12 ms 3412 KB Output is correct
40 Correct 25 ms 4260 KB Output is correct
41 Correct 40 ms 5008 KB Output is correct
42 Correct 39 ms 5040 KB Output is correct
43 Correct 41 ms 5000 KB Output is correct
44 Correct 44 ms 5040 KB Output is correct
45 Correct 38 ms 5064 KB Output is correct
46 Correct 50 ms 5068 KB Output is correct
47 Correct 48 ms 5016 KB Output is correct
48 Correct 39 ms 5024 KB Output is correct
49 Correct 37 ms 5032 KB Output is correct
50 Correct 39 ms 5092 KB Output is correct
51 Correct 48 ms 5048 KB Output is correct
52 Correct 38 ms 5036 KB Output is correct
53 Correct 42 ms 5068 KB Output is correct
54 Correct 42 ms 5012 KB Output is correct
55 Correct 40 ms 5032 KB Output is correct
56 Correct 38 ms 5044 KB Output is correct
57 Correct 38 ms 5020 KB Output is correct
58 Correct 39 ms 5028 KB Output is correct
59 Correct 42 ms 5040 KB Output is correct
60 Correct 51 ms 5036 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2628 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 3 ms 2644 KB Output is correct
13 Correct 4 ms 2772 KB Output is correct
14 Correct 16 ms 3376 KB Output is correct
15 Correct 40 ms 4056 KB Output is correct
16 Correct 54 ms 4700 KB Output is correct
17 Correct 37 ms 5056 KB Output is correct
18 Correct 43 ms 4556 KB Output is correct
19 Correct 49 ms 4580 KB Output is correct
20 Correct 47 ms 4860 KB Output is correct
21 Correct 53 ms 4684 KB Output is correct
22 Correct 47 ms 4684 KB Output is correct
23 Correct 44 ms 4696 KB Output is correct
24 Correct 42 ms 4752 KB Output is correct
25 Correct 42 ms 4684 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 5 ms 2772 KB Output is correct
29 Correct 21 ms 3412 KB Output is correct
30 Correct 33 ms 4044 KB Output is correct
31 Correct 53 ms 4820 KB Output is correct
32 Correct 49 ms 4684 KB Output is correct
33 Correct 48 ms 4784 KB Output is correct
34 Correct 56 ms 4652 KB Output is correct
35 Correct 53 ms 4780 KB Output is correct
36 Correct 49 ms 4652 KB Output is correct
37 Correct 48 ms 4812 KB Output is correct
38 Correct 50 ms 4816 KB Output is correct
39 Correct 51 ms 4708 KB Output is correct
40 Correct 49 ms 4812 KB Output is correct
41 Correct 3 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 4 ms 2772 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 11 ms 3032 KB Output is correct
48 Correct 6 ms 3028 KB Output is correct
49 Correct 12 ms 3412 KB Output is correct
50 Correct 25 ms 4260 KB Output is correct
51 Correct 40 ms 5008 KB Output is correct
52 Correct 39 ms 5040 KB Output is correct
53 Correct 41 ms 5000 KB Output is correct
54 Correct 44 ms 5040 KB Output is correct
55 Correct 38 ms 5064 KB Output is correct
56 Correct 50 ms 5068 KB Output is correct
57 Correct 48 ms 5016 KB Output is correct
58 Correct 39 ms 5024 KB Output is correct
59 Correct 37 ms 5032 KB Output is correct
60 Correct 39 ms 5092 KB Output is correct
61 Correct 48 ms 5048 KB Output is correct
62 Correct 38 ms 5036 KB Output is correct
63 Correct 42 ms 5068 KB Output is correct
64 Correct 42 ms 5012 KB Output is correct
65 Correct 40 ms 5032 KB Output is correct
66 Correct 38 ms 5044 KB Output is correct
67 Correct 38 ms 5020 KB Output is correct
68 Correct 39 ms 5028 KB Output is correct
69 Correct 42 ms 5040 KB Output is correct
70 Correct 51 ms 5036 KB Output is correct
71 Correct 7 ms 3140 KB Output is correct
72 Correct 9 ms 3120 KB Output is correct
73 Correct 6 ms 3028 KB Output is correct
74 Correct 7 ms 3028 KB Output is correct
75 Correct 6 ms 3028 KB Output is correct
76 Correct 9 ms 3540 KB Output is correct
77 Correct 10 ms 3540 KB Output is correct
78 Correct 9 ms 3540 KB Output is correct
79 Correct 9 ms 3540 KB Output is correct
80 Correct 12 ms 3600 KB Output is correct
81 Correct 17 ms 4564 KB Output is correct
82 Correct 17 ms 4380 KB Output is correct
83 Correct 18 ms 4360 KB Output is correct
84 Correct 19 ms 4428 KB Output is correct
85 Correct 20 ms 4484 KB Output is correct
86 Correct 19 ms 4612 KB Output is correct
87 Correct 20 ms 4520 KB Output is correct
88 Correct 18 ms 4564 KB Output is correct
89 Correct 21 ms 4552 KB Output is correct
90 Correct 20 ms 4556 KB Output is correct
91 Correct 27 ms 5940 KB Output is correct
92 Correct 27 ms 5988 KB Output is correct
93 Correct 31 ms 5940 KB Output is correct
94 Correct 35 ms 5888 KB Output is correct
95 Correct 27 ms 5964 KB Output is correct
96 Correct 33 ms 6476 KB Output is correct
97 Correct 39 ms 6472 KB Output is correct
98 Correct 34 ms 6440 KB Output is correct
99 Correct 31 ms 6440 KB Output is correct
100 Correct 30 ms 6416 KB Output is correct
101 Correct 35 ms 6608 KB Output is correct
102 Correct 31 ms 6512 KB Output is correct
103 Correct 31 ms 6476 KB Output is correct
104 Correct 31 ms 6524 KB Output is correct
105 Correct 35 ms 6408 KB Output is correct
106 Correct 35 ms 6644 KB Output is correct
107 Correct 31 ms 6672 KB Output is correct
108 Correct 30 ms 6684 KB Output is correct
109 Correct 35 ms 6764 KB Output is correct
110 Correct 31 ms 6776 KB Output is correct
111 Correct 34 ms 6728 KB Output is correct
112 Correct 31 ms 6672 KB Output is correct
113 Correct 37 ms 6732 KB Output is correct
114 Correct 43 ms 6696 KB Output is correct
115 Correct 32 ms 6708 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2628 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 3 ms 2644 KB Output is correct
13 Correct 4 ms 2772 KB Output is correct
14 Correct 16 ms 3376 KB Output is correct
15 Correct 40 ms 4056 KB Output is correct
16 Correct 54 ms 4700 KB Output is correct
17 Correct 37 ms 5056 KB Output is correct
18 Correct 43 ms 4556 KB Output is correct
19 Correct 49 ms 4580 KB Output is correct
20 Correct 47 ms 4860 KB Output is correct
21 Correct 53 ms 4684 KB Output is correct
22 Correct 47 ms 4684 KB Output is correct
23 Correct 44 ms 4696 KB Output is correct
24 Correct 42 ms 4752 KB Output is correct
25 Correct 42 ms 4684 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 5 ms 2772 KB Output is correct
29 Correct 21 ms 3412 KB Output is correct
30 Correct 33 ms 4044 KB Output is correct
31 Correct 53 ms 4820 KB Output is correct
32 Correct 49 ms 4684 KB Output is correct
33 Correct 48 ms 4784 KB Output is correct
34 Correct 56 ms 4652 KB Output is correct
35 Correct 53 ms 4780 KB Output is correct
36 Correct 49 ms 4652 KB Output is correct
37 Correct 48 ms 4812 KB Output is correct
38 Correct 50 ms 4816 KB Output is correct
39 Correct 51 ms 4708 KB Output is correct
40 Correct 49 ms 4812 KB Output is correct
41 Correct 3 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 4 ms 2772 KB Output is correct
45 Correct 3 ms 2772 KB Output is correct
46 Correct 3 ms 2772 KB Output is correct
47 Correct 11 ms 3032 KB Output is correct
48 Correct 6 ms 3028 KB Output is correct
49 Correct 12 ms 3412 KB Output is correct
50 Correct 25 ms 4260 KB Output is correct
51 Correct 40 ms 5008 KB Output is correct
52 Correct 39 ms 5040 KB Output is correct
53 Correct 41 ms 5000 KB Output is correct
54 Correct 44 ms 5040 KB Output is correct
55 Correct 38 ms 5064 KB Output is correct
56 Correct 50 ms 5068 KB Output is correct
57 Correct 48 ms 5016 KB Output is correct
58 Correct 39 ms 5024 KB Output is correct
59 Correct 37 ms 5032 KB Output is correct
60 Correct 39 ms 5092 KB Output is correct
61 Correct 48 ms 5048 KB Output is correct
62 Correct 38 ms 5036 KB Output is correct
63 Correct 42 ms 5068 KB Output is correct
64 Correct 42 ms 5012 KB Output is correct
65 Correct 40 ms 5032 KB Output is correct
66 Correct 38 ms 5044 KB Output is correct
67 Correct 38 ms 5020 KB Output is correct
68 Correct 39 ms 5028 KB Output is correct
69 Correct 42 ms 5040 KB Output is correct
70 Correct 51 ms 5036 KB Output is correct
71 Correct 7 ms 3140 KB Output is correct
72 Correct 9 ms 3120 KB Output is correct
73 Correct 6 ms 3028 KB Output is correct
74 Correct 7 ms 3028 KB Output is correct
75 Correct 6 ms 3028 KB Output is correct
76 Correct 9 ms 3540 KB Output is correct
77 Correct 10 ms 3540 KB Output is correct
78 Correct 9 ms 3540 KB Output is correct
79 Correct 9 ms 3540 KB Output is correct
80 Correct 12 ms 3600 KB Output is correct
81 Correct 17 ms 4564 KB Output is correct
82 Correct 17 ms 4380 KB Output is correct
83 Correct 18 ms 4360 KB Output is correct
84 Correct 19 ms 4428 KB Output is correct
85 Correct 20 ms 4484 KB Output is correct
86 Correct 19 ms 4612 KB Output is correct
87 Correct 20 ms 4520 KB Output is correct
88 Correct 18 ms 4564 KB Output is correct
89 Correct 21 ms 4552 KB Output is correct
90 Correct 20 ms 4556 KB Output is correct
91 Correct 27 ms 5940 KB Output is correct
92 Correct 27 ms 5988 KB Output is correct
93 Correct 31 ms 5940 KB Output is correct
94 Correct 35 ms 5888 KB Output is correct
95 Correct 27 ms 5964 KB Output is correct
96 Correct 33 ms 6476 KB Output is correct
97 Correct 39 ms 6472 KB Output is correct
98 Correct 34 ms 6440 KB Output is correct
99 Correct 31 ms 6440 KB Output is correct
100 Correct 30 ms 6416 KB Output is correct
101 Correct 35 ms 6608 KB Output is correct
102 Correct 31 ms 6512 KB Output is correct
103 Correct 31 ms 6476 KB Output is correct
104 Correct 31 ms 6524 KB Output is correct
105 Correct 35 ms 6408 KB Output is correct
106 Correct 35 ms 6644 KB Output is correct
107 Correct 31 ms 6672 KB Output is correct
108 Correct 30 ms 6684 KB Output is correct
109 Correct 35 ms 6764 KB Output is correct
110 Correct 31 ms 6776 KB Output is correct
111 Correct 34 ms 6728 KB Output is correct
112 Correct 31 ms 6672 KB Output is correct
113 Correct 37 ms 6732 KB Output is correct
114 Correct 43 ms 6696 KB Output is correct
115 Correct 32 ms 6708 KB Output is correct
116 Correct 1434 ms 7032 KB Output is correct
117 Correct 1060 ms 7060 KB Output is correct
118 Correct 1829 ms 7548 KB Output is correct
119 Correct 744 ms 7600 KB Output is correct
120 Correct 399 ms 7596 KB Output is correct
121 Correct 783 ms 7996 KB Output is correct
122 Correct 452 ms 8056 KB Output is correct
123 Correct 1929 ms 8940 KB Output is correct
124 Correct 555 ms 9144 KB Output is correct
125 Correct 428 ms 9124 KB Output is correct
126 Execution timed out 7049 ms 9016 KB Time limit exceeded
127 Halted 0 ms 0 KB -