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답안 #329823

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
329823 2020-11-22T17:37:09 Z JiratQ Cryptography (NOI20_crypto) C++14
100 / 100
 262 ms 35668 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
int dp[300010];
int fw[300010];

int fac(int n){
    if(dp[n]!=0) return dp[n];
    if(n==0) return 1;
    return dp[n]=(fac(n-1)%1000000007*n)%1000000007;
}

void update(int node,int val){
    while(node<300010){
        fw[node] += val;
        node += (node&-node);
    }
}

int qs(int node){
    int sum=0;
    while(node>0){
        sum += fw[node];
        node -= (node&-node);
    }
    return sum;
}

main(){
    int n;
    cin >> n;
    vector<int> vec;
    for(int i=0;i<n;i++){
        int k;
        scanf("%lld",&k);
        vec.emplace_back(k);
    }
    vector<int> v=vec;
    sort(v.begin(),v.end());
    unordered_map<int,int> mapp;
    int cnt=1;
    for(int i=0;i<n;i++){
        mapp[v[i]]=cnt;
        cnt++;
    }
    for(int i=0;i<n;i++){
        vec[i]=mapp[vec[i]];
    }
    int ans=1;
    for(int i=0;i<n;i++){
        int c=qs(vec[i]);
        update(vec[i],1);
        ans += ((vec[i]-1-c) * fac(n-1-i));
        ans %= 1000000007;
    }
    cout << ans;
}

Compilation message

Crypto.cpp:29:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   29 | main(){
      |      ^
Crypto.cpp: In function 'int main()':
Crypto.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   35 |         scanf("%lld",&k);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 231 ms 33236 KB Output is correct
3 Correct 223 ms 33236 KB Output is correct
4 Correct 227 ms 33236 KB Output is correct
5 Correct 215 ms 33236 KB Output is correct
6 Correct 212 ms 33364 KB Output is correct
7 Correct 214 ms 33236 KB Output is correct
8 Correct 214 ms 34260 KB Output is correct
9 Correct 228 ms 34132 KB Output is correct
10 Correct 218 ms 34132 KB Output is correct
11 Correct 214 ms 34132 KB Output is correct
12 Correct 218 ms 34132 KB Output is correct
13 Correct 210 ms 34132 KB Output is correct
14 Correct 216 ms 34280 KB Output is correct
15 Correct 222 ms 34132 KB Output is correct
16 Correct 212 ms 34132 KB Output is correct
17 Correct 221 ms 34132 KB Output is correct
18 Correct 221 ms 34260 KB Output is correct
19 Correct 205 ms 34132 KB Output is correct
20 Correct 208 ms 34132 KB Output is correct
21 Correct 222 ms 34160 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 104 ms 33176 KB Output is correct
3 Correct 105 ms 34132 KB Output is correct
4 Correct 107 ms 34300 KB Output is correct
5 Correct 104 ms 34260 KB Output is correct
6 Correct 104 ms 34132 KB Output is correct
7 Correct 106 ms 34132 KB Output is correct
8 Correct 105 ms 34132 KB Output is correct
9 Correct 109 ms 34132 KB Output is correct
10 Correct 110 ms 34132 KB Output is correct
11 Correct 106 ms 34132 KB Output is correct
12 Correct 108 ms 34200 KB Output is correct
13 Correct 105 ms 34304 KB Output is correct
14 Correct 106 ms 34132 KB Output is correct
15 Correct 107 ms 34132 KB Output is correct
16 Correct 105 ms 34132 KB Output is correct
17 Correct 108 ms 34260 KB Output is correct
18 Correct 108 ms 34132 KB Output is correct
19 Correct 104 ms 34132 KB Output is correct
20 Correct 105 ms 34132 KB Output is correct
21 Correct 105 ms 34132 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 620 KB Output is correct
3 Correct 2 ms 620 KB Output is correct
4 Correct 2 ms 620 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 2 ms 620 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 2 ms 620 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 620 KB Output is correct
17 Correct 3 ms 620 KB Output is correct
18 Correct 2 ms 620 KB Output is correct
19 Correct 2 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 2 ms 620 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 2 ms 620 KB Output is correct
30 Correct 2 ms 620 KB Output is correct
31 Correct 2 ms 620 KB Output is correct
32 Correct 2 ms 620 KB Output is correct
33 Correct 2 ms 620 KB Output is correct
34 Correct 2 ms 620 KB Output is correct
35 Correct 2 ms 620 KB Output is correct
36 Correct 2 ms 620 KB Output is correct
37 Correct 2 ms 620 KB Output is correct
38 Correct 2 ms 620 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 2 ms 620 KB Output is correct
41 Correct 3 ms 620 KB Output is correct
42 Correct 2 ms 620 KB Output is correct
43 Correct 2 ms 620 KB Output is correct
44 Correct 2 ms 620 KB Output is correct
45 Correct 2 ms 620 KB Output is correct
46 Correct 2 ms 620 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 2 ms 620 KB Output is correct
49 Correct 2 ms 620 KB Output is correct
50 Correct 2 ms 620 KB Output is correct
51 Correct 5 ms 620 KB Output is correct
52 Correct 2 ms 620 KB Output is correct
53 Correct 2 ms 620 KB Output is correct
54 Correct 2 ms 620 KB Output is correct
55 Correct 2 ms 620 KB Output is correct
56 Correct 2 ms 620 KB Output is correct
57 Correct 2 ms 620 KB Output is correct
58 Correct 3 ms 620 KB Output is correct
59 Correct 2 ms 620 KB Output is correct
60 Correct 2 ms 620 KB Output is correct
61 Correct 1 ms 404 KB Output is correct
62 Correct 2 ms 620 KB Output is correct
63 Correct 2 ms 620 KB Output is correct
64 Correct 2 ms 620 KB Output is correct
65 Correct 2 ms 620 KB Output is correct
66 Correct 2 ms 620 KB Output is correct
67 Correct 2 ms 620 KB Output is correct
68 Correct 2 ms 640 KB Output is correct

Subtask #7
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 104 ms 33176 KB Output is correct
3 Correct 105 ms 34132 KB Output is correct
4 Correct 107 ms 34300 KB Output is correct
5 Correct 104 ms 34260 KB Output is correct
6 Correct 104 ms 34132 KB Output is correct
7 Correct 106 ms 34132 KB Output is correct
8 Correct 105 ms 34132 KB Output is correct
9 Correct 109 ms 34132 KB Output is correct
10 Correct 110 ms 34132 KB Output is correct
11 Correct 106 ms 34132 KB Output is correct
12 Correct 108 ms 34200 KB Output is correct
13 Correct 105 ms 34304 KB Output is correct
14 Correct 106 ms 34132 KB Output is correct
15 Correct 107 ms 34132 KB Output is correct
16 Correct 105 ms 34132 KB Output is correct
17 Correct 108 ms 34260 KB Output is correct
18 Correct 108 ms 34132 KB Output is correct
19 Correct 104 ms 34132 KB Output is correct
20 Correct 105 ms 34132 KB Output is correct
21 Correct 105 ms 34132 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 2 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 620 KB Output is correct
27 Correct 2 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 2 ms 620 KB Output is correct
30 Correct 2 ms 620 KB Output is correct
31 Correct 2 ms 620 KB Output is correct
32 Correct 2 ms 620 KB Output is correct
33 Correct 2 ms 620 KB Output is correct
34 Correct 2 ms 620 KB Output is correct
35 Correct 2 ms 620 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 2 ms 620 KB Output is correct
38 Correct 3 ms 620 KB Output is correct
39 Correct 2 ms 620 KB Output is correct
40 Correct 2 ms 620 KB Output is correct
41 Correct 2 ms 620 KB Output is correct
42 Correct 2 ms 620 KB Output is correct
43 Correct 2 ms 620 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 159 ms 35084 KB Output is correct
46 Correct 159 ms 35176 KB Output is correct
47 Correct 156 ms 35156 KB Output is correct
48 Correct 163 ms 35212 KB Output is correct
49 Correct 156 ms 35156 KB Output is correct
50 Correct 157 ms 35156 KB Output is correct
51 Correct 161 ms 35156 KB Output is correct
52 Correct 157 ms 35156 KB Output is correct
53 Correct 157 ms 35156 KB Output is correct
54 Correct 156 ms 35284 KB Output is correct
55 Correct 158 ms 35156 KB Output is correct
56 Correct 156 ms 35156 KB Output is correct
57 Correct 159 ms 35156 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 159 ms 35304 KB Output is correct
60 Correct 156 ms 35156 KB Output is correct
61 Correct 157 ms 35156 KB Output is correct
62 Correct 158 ms 35156 KB Output is correct
63 Correct 158 ms 35284 KB Output is correct
64 Correct 155 ms 35176 KB Output is correct
65 Correct 154 ms 35284 KB Output is correct

Subtask #8
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 231 ms 33236 KB Output is correct
27 Correct 223 ms 33236 KB Output is correct
28 Correct 227 ms 33236 KB Output is correct
29 Correct 215 ms 33236 KB Output is correct
30 Correct 212 ms 33364 KB Output is correct
31 Correct 214 ms 33236 KB Output is correct
32 Correct 214 ms 34260 KB Output is correct
33 Correct 228 ms 34132 KB Output is correct
34 Correct 218 ms 34132 KB Output is correct
35 Correct 214 ms 34132 KB Output is correct
36 Correct 218 ms 34132 KB Output is correct
37 Correct 210 ms 34132 KB Output is correct
38 Correct 216 ms 34280 KB Output is correct
39 Correct 222 ms 34132 KB Output is correct
40 Correct 212 ms 34132 KB Output is correct
41 Correct 221 ms 34132 KB Output is correct
42 Correct 221 ms 34260 KB Output is correct
43 Correct 205 ms 34132 KB Output is correct
44 Correct 208 ms 34132 KB Output is correct
45 Correct 222 ms 34160 KB Output is correct
46 Correct 0 ms 364 KB Output is correct
47 Correct 104 ms 33176 KB Output is correct
48 Correct 105 ms 34132 KB Output is correct
49 Correct 107 ms 34300 KB Output is correct
50 Correct 104 ms 34260 KB Output is correct
51 Correct 104 ms 34132 KB Output is correct
52 Correct 106 ms 34132 KB Output is correct
53 Correct 105 ms 34132 KB Output is correct
54 Correct 109 ms 34132 KB Output is correct
55 Correct 110 ms 34132 KB Output is correct
56 Correct 106 ms 34132 KB Output is correct
57 Correct 108 ms 34200 KB Output is correct
58 Correct 105 ms 34304 KB Output is correct
59 Correct 106 ms 34132 KB Output is correct
60 Correct 107 ms 34132 KB Output is correct
61 Correct 105 ms 34132 KB Output is correct
62 Correct 108 ms 34260 KB Output is correct
63 Correct 108 ms 34132 KB Output is correct
64 Correct 104 ms 34132 KB Output is correct
65 Correct 105 ms 34132 KB Output is correct
66 Correct 105 ms 34132 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 2 ms 620 KB Output is correct
69 Correct 2 ms 620 KB Output is correct
70 Correct 2 ms 620 KB Output is correct
71 Correct 2 ms 620 KB Output is correct
72 Correct 2 ms 620 KB Output is correct
73 Correct 2 ms 620 KB Output is correct
74 Correct 2 ms 620 KB Output is correct
75 Correct 2 ms 620 KB Output is correct
76 Correct 2 ms 620 KB Output is correct
77 Correct 2 ms 620 KB Output is correct
78 Correct 2 ms 620 KB Output is correct
79 Correct 2 ms 620 KB Output is correct
80 Correct 2 ms 620 KB Output is correct
81 Correct 1 ms 364 KB Output is correct
82 Correct 2 ms 620 KB Output is correct
83 Correct 3 ms 620 KB Output is correct
84 Correct 2 ms 620 KB Output is correct
85 Correct 2 ms 620 KB Output is correct
86 Correct 2 ms 620 KB Output is correct
87 Correct 2 ms 620 KB Output is correct
88 Correct 2 ms 620 KB Output is correct
89 Correct 1 ms 364 KB Output is correct
90 Correct 2 ms 620 KB Output is correct
91 Correct 2 ms 620 KB Output is correct
92 Correct 2 ms 620 KB Output is correct
93 Correct 5 ms 620 KB Output is correct
94 Correct 2 ms 620 KB Output is correct
95 Correct 2 ms 620 KB Output is correct
96 Correct 2 ms 620 KB Output is correct
97 Correct 2 ms 620 KB Output is correct
98 Correct 2 ms 620 KB Output is correct
99 Correct 2 ms 620 KB Output is correct
100 Correct 3 ms 620 KB Output is correct
101 Correct 2 ms 620 KB Output is correct
102 Correct 2 ms 620 KB Output is correct
103 Correct 1 ms 404 KB Output is correct
104 Correct 2 ms 620 KB Output is correct
105 Correct 2 ms 620 KB Output is correct
106 Correct 2 ms 620 KB Output is correct
107 Correct 2 ms 620 KB Output is correct
108 Correct 2 ms 620 KB Output is correct
109 Correct 2 ms 620 KB Output is correct
110 Correct 2 ms 640 KB Output is correct
111 Correct 1 ms 364 KB Output is correct
112 Correct 159 ms 35084 KB Output is correct
113 Correct 159 ms 35176 KB Output is correct
114 Correct 156 ms 35156 KB Output is correct
115 Correct 163 ms 35212 KB Output is correct
116 Correct 156 ms 35156 KB Output is correct
117 Correct 157 ms 35156 KB Output is correct
118 Correct 161 ms 35156 KB Output is correct
119 Correct 157 ms 35156 KB Output is correct
120 Correct 157 ms 35156 KB Output is correct
121 Correct 156 ms 35284 KB Output is correct
122 Correct 158 ms 35156 KB Output is correct
123 Correct 156 ms 35156 KB Output is correct
124 Correct 159 ms 35156 KB Output is correct
125 Correct 1 ms 364 KB Output is correct
126 Correct 159 ms 35304 KB Output is correct
127 Correct 156 ms 35156 KB Output is correct
128 Correct 157 ms 35156 KB Output is correct
129 Correct 158 ms 35156 KB Output is correct
130 Correct 158 ms 35284 KB Output is correct
131 Correct 155 ms 35176 KB Output is correct
132 Correct 154 ms 35284 KB Output is correct
133 Correct 1 ms 364 KB Output is correct
134 Correct 262 ms 35668 KB Output is correct
135 Correct 249 ms 35540 KB Output is correct
136 Correct 251 ms 35540 KB Output is correct
137 Correct 249 ms 35608 KB Output is correct
138 Correct 255 ms 35540 KB Output is correct
139 Correct 252 ms 35540 KB Output is correct
140 Correct 242 ms 35540 KB Output is correct
141 Correct 251 ms 35588 KB Output is correct
142 Correct 255 ms 35540 KB Output is correct
143 Correct 254 ms 35540 KB Output is correct
144 Correct 253 ms 35540 KB Output is correct
145 Correct 256 ms 35540 KB Output is correct
146 Correct 248 ms 35668 KB Output is correct
147 Correct 1 ms 364 KB Output is correct
148 Correct 249 ms 35540 KB Output is correct
149 Correct 253 ms 35540 KB Output is correct
150 Correct 243 ms 35668 KB Output is correct
151 Correct 239 ms 35540 KB Output is correct
152 Correct 255 ms 35668 KB Output is correct
153 Correct 246 ms 35540 KB Output is correct
154 Correct 250 ms 35540 KB Output is correct