oj.uz

답안 #1011801

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1011801 2024-07-01T08:49:37 Z yeediot 철인 이종 경기 (APIO18_duathlon) C++17
49 / 100
 60 ms 33640 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
#ifdef local
void CHECK();
void setio(){
    freopen("/Users/iantsai/cpp/input.txt","r",stdin);
    freopen("/Users/iantsai/cpp/output.txt","w",stdout);
}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
#define TOI_is_so_de ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);setio();
const int mxn = 2e5;
vector<int>adj[mxn], st, adj2[mxn];
int n, m, low[mxn], lv[mxn], tmr = 0, w[mxn], cnt, siz[mxn], num;
void tarjan(int v, int pa = -1){
    st.pb(v);
    w[v] = -1;
    low[v] = lv[v] = ++tmr;
    num++;

    for(auto u : adj[v]){
        if(u == pa) continue;
        if(lv[u]){
            chmin(low[v], lv[u]);
        }
        else{
            tarjan(u, v);
            chmin(low[v], low[u]);
            if(low[u] >= lv[v]){
                cnt++;
                int k;
                do{
                    k = st.back();
                    st.pop_back();
                    adj2[k].pb(cnt);
                    adj2[cnt].pb(k);
                }while(k != u);
                adj2[v].pb(cnt);
                adj2[cnt].pb(v);
                w[cnt] = sz(adj2[cnt]);
            }
        }
    }
}
int dp[mxn];
void dfs(int v, int pa = -1){
    siz[v] = (v <= n);
    for(auto u : adj2[v]){
        if(u == pa) continue;
        dfs(u, v);
        dp[v] += siz[v] * siz[u] * w[v] * 2;
        siz[v] += siz[u];
    }
    dp[v] += siz[v] * (num - siz[v]) * w[v] * 2;
}
signed main(){
    TOI_is_so_de;
    cin >> n >> m;
    cnt = n;
    for(int i=0;i<m;i++){
        int a, b;
        cin >> a >> b;
        adj[a].pb(b);
        adj[b].pb(a);
    }
    int ans = 0;
    for(int i=1;i<=n;i++){
        if(!lv[i]) {
            num = 0;
            tarjan(i);
            dfs(i);
        }
    }
    for(int i=1;i<=2*n;i++){
        ans += dp[i];
        //cerr << w[i] << ',' << lv[i] << ',' << dp[i] << '\n';
    }
    cout << ans << '\n';
    #ifdef local
    CHECK();
    #endif
}
/*
input:
 
*/
#ifdef local
void CHECK(){
    cerr << "\n[Time]: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
     function<bool(string,string)> compareFiles = [](string p1, string p2)->bool {
         std::ifstream file1(p1);
         std::ifstream file2(p2);
         if (!file1.is_open() || !file2.is_open())return false;
         std::string line1, line2;
         while (getline(file1, line1) && getline(file2, line2)) {
             if (line1 != line2)return false;
         }
         int cnta=0,cntb=0;
         while(getline(file1,line1))cnta++;
         while(getline(file2,line2))cntb++;
         return cntb-cnta<=1;
     };
     bool check = compareFiles("output.txt","expected.txt");
     if (check) cerr<<"ACCEPTED\n";
     else cerr<<"WRONG ANSWER!\n";
}
#else
#endif

Compilation message

count_triplets.cpp: In function 'void setIO(std::string)':
count_triplets.cpp:35:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
count_triplets.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 4 ms 9816 KB Output is correct
3 Correct 5 ms 10076 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 6 ms 9900 KB Output is correct
6 Correct 6 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 6 ms 9820 KB Output is correct
9 Correct 6 ms 9820 KB Output is correct
10 Correct 6 ms 9816 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 5 ms 9852 KB Output is correct
13 Correct 5 ms 9816 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 4 ms 9820 KB Output is correct
17 Correct 5 ms 9812 KB Output is correct
18 Correct 4 ms 9820 KB Output is correct
19 Correct 4 ms 9820 KB Output is correct
20 Correct 4 ms 9820 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 4 ms 9880 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9896 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9820 KB Output is correct
28 Correct 6 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct
31 Correct 6 ms 9848 KB Output is correct
32 Correct 4 ms 9820 KB Output is correct
33 Correct 4 ms 9820 KB Output is correct
34 Correct 7 ms 9816 KB Output is correct
35 Correct 5 ms 9820 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 4 ms 9816 KB Output is correct
3 Correct 5 ms 10076 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 6 ms 9900 KB Output is correct
6 Correct 6 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 6 ms 9820 KB Output is correct
9 Correct 6 ms 9820 KB Output is correct
10 Correct 6 ms 9816 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 5 ms 9852 KB Output is correct
13 Correct 5 ms 9816 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 4 ms 9820 KB Output is correct
17 Correct 5 ms 9812 KB Output is correct
18 Correct 4 ms 9820 KB Output is correct
19 Correct 4 ms 9820 KB Output is correct
20 Correct 4 ms 9820 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 4 ms 9880 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9896 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9820 KB Output is correct
28 Correct 6 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct
31 Correct 6 ms 9848 KB Output is correct
32 Correct 4 ms 9820 KB Output is correct
33 Correct 4 ms 9820 KB Output is correct
34 Correct 7 ms 9816 KB Output is correct
35 Correct 5 ms 9820 KB Output is correct
36 Correct 4 ms 9816 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 4 ms 9820 KB Output is correct
39 Correct 5 ms 9820 KB Output is correct
40 Correct 4 ms 9820 KB Output is correct
41 Correct 5 ms 9820 KB Output is correct
42 Correct 4 ms 9856 KB Output is correct
43 Correct 4 ms 9820 KB Output is correct
44 Correct 4 ms 9820 KB Output is correct
45 Correct 6 ms 9820 KB Output is correct
46 Correct 4 ms 9816 KB Output is correct
47 Correct 6 ms 9816 KB Output is correct
48 Correct 4 ms 9820 KB Output is correct
49 Correct 5 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 5 ms 9816 KB Output is correct
52 Correct 5 ms 9820 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 ms 9820 KB Output is correct
55 Correct 4 ms 9820 KB Output is correct
56 Correct 4 ms 9816 KB Output is correct
57 Correct 4 ms 9820 KB Output is correct
58 Correct 3 ms 9820 KB Output is correct
59 Correct 5 ms 9724 KB Output is correct
60 Correct 3 ms 9820 KB Output is correct
61 Correct 4 ms 9820 KB Output is correct
62 Correct 4 ms 9820 KB Output is correct
63 Correct 6 ms 10076 KB Output is correct
64 Correct 3 ms 9820 KB Output is correct
65 Correct 4 ms 10072 KB Output is correct

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 55 ms 33640 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 5 ms 10076 KB Output is correct
3 Correct 5 ms 9876 KB Output is correct
4 Correct 5 ms 10072 KB Output is correct
5 Correct 5 ms 10076 KB Output is correct
6 Correct 4 ms 10080 KB Output is correct
7 Correct 4 ms 10080 KB Output is correct
8 Correct 4 ms 10080 KB Output is correct
9 Correct 4 ms 10080 KB Output is correct
10 Correct 6 ms 9824 KB Output is correct
11 Correct 4 ms 9824 KB Output is correct
12 Correct 5 ms 9824 KB Output is correct
13 Correct 5 ms 10076 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 3 ms 9820 KB Output is correct
17 Correct 4 ms 10076 KB Output is correct
18 Correct 4 ms 10076 KB Output is correct
19 Correct 4 ms 10088 KB Output is correct
20 Correct 4 ms 9932 KB Output is correct

Subtask #5
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 59 ms 27956 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 10088 KB Output is correct
2 Correct 5 ms 9832 KB Output is correct
3 Correct 4 ms 9888 KB Output is correct
4 Correct 4 ms 9832 KB Output is correct
5 Correct 5 ms 9864 KB Output is correct
6 Correct 5 ms 9828 KB Output is correct
7 Correct 4 ms 9832 KB Output is correct
8 Correct 4 ms 9936 KB Output is correct
9 Correct 4 ms 9832 KB Output is correct
10 Correct 4 ms 9832 KB Output is correct
11 Correct 4 ms 9832 KB Output is correct
12 Correct 5 ms 10088 KB Output is correct
13 Correct 5 ms 10088 KB Output is correct
14 Correct 5 ms 10060 KB Output is correct
15 Correct 5 ms 10088 KB Output is correct
16 Correct 4 ms 9832 KB Output is correct
17 Correct 5 ms 9988 KB Output is correct
18 Correct 5 ms 9832 KB Output is correct
19 Correct 4 ms 9832 KB Output is correct
20 Correct 7 ms 10088 KB Output is correct
21 Correct 5 ms 9832 KB Output is correct
22 Correct 5 ms 9832 KB Output is correct
23 Correct 4 ms 9832 KB Output is correct
24 Correct 4 ms 9880 KB Output is correct
25 Correct 4 ms 9832 KB Output is correct
26 Correct 4 ms 9832 KB Output is correct
27 Correct 5 ms 9832 KB Output is correct

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 60 ms 27856 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 4 ms 9816 KB Output is correct
3 Correct 5 ms 10076 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 6 ms 9900 KB Output is correct
6 Correct 6 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 6 ms 9820 KB Output is correct
9 Correct 6 ms 9820 KB Output is correct
10 Correct 6 ms 9816 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 5 ms 9852 KB Output is correct
13 Correct 5 ms 9816 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 4 ms 9820 KB Output is correct
17 Correct 5 ms 9812 KB Output is correct
18 Correct 4 ms 9820 KB Output is correct
19 Correct 4 ms 9820 KB Output is correct
20 Correct 4 ms 9820 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 4 ms 9880 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9896 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9820 KB Output is correct
28 Correct 6 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct
31 Correct 6 ms 9848 KB Output is correct
32 Correct 4 ms 9820 KB Output is correct
33 Correct 4 ms 9820 KB Output is correct
34 Correct 7 ms 9816 KB Output is correct
35 Correct 5 ms 9820 KB Output is correct
36 Correct 4 ms 9816 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 4 ms 9820 KB Output is correct
39 Correct 5 ms 9820 KB Output is correct
40 Correct 4 ms 9820 KB Output is correct
41 Correct 5 ms 9820 KB Output is correct
42 Correct 4 ms 9856 KB Output is correct
43 Correct 4 ms 9820 KB Output is correct
44 Correct 4 ms 9820 KB Output is correct
45 Correct 6 ms 9820 KB Output is correct
46 Correct 4 ms 9816 KB Output is correct
47 Correct 6 ms 9816 KB Output is correct
48 Correct 4 ms 9820 KB Output is correct
49 Correct 5 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 5 ms 9816 KB Output is correct
52 Correct 5 ms 9820 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 ms 9820 KB Output is correct
55 Correct 4 ms 9820 KB Output is correct
56 Correct 4 ms 9816 KB Output is correct
57 Correct 4 ms 9820 KB Output is correct
58 Correct 3 ms 9820 KB Output is correct
59 Correct 5 ms 9724 KB Output is correct
60 Correct 3 ms 9820 KB Output is correct
61 Correct 4 ms 9820 KB Output is correct
62 Correct 4 ms 9820 KB Output is correct
63 Correct 6 ms 10076 KB Output is correct
64 Correct 3 ms 9820 KB Output is correct
65 Correct 4 ms 10072 KB Output is correct
66 Correct 4 ms 9820 KB Output is correct
67 Correct 4 ms 9816 KB Output is correct
68 Correct 4 ms 9820 KB Output is correct
69 Correct 4 ms 10076 KB Output is correct
70 Correct 6 ms 9920 KB Output is correct
71 Correct 4 ms 9816 KB Output is correct
72 Correct 4 ms 9864 KB Output is correct
73 Correct 4 ms 9820 KB Output is correct
74 Correct 4 ms 9820 KB Output is correct
75 Correct 4 ms 9820 KB Output is correct
76 Correct 4 ms 9816 KB Output is correct
77 Correct 4 ms 9840 KB Output is correct
78 Correct 5 ms 9820 KB Output is correct
79 Correct 4 ms 9820 KB Output is correct
80 Correct 4 ms 9820 KB Output is correct
81 Correct 4 ms 9820 KB Output is correct
82 Correct 4 ms 9868 KB Output is correct
83 Correct 5 ms 10076 KB Output is correct
84 Correct 4 ms 9820 KB Output is correct
85 Correct 5 ms 10072 KB Output is correct
86 Correct 4 ms 9820 KB Output is correct
87 Correct 4 ms 9820 KB Output is correct
88 Correct 4 ms 9820 KB Output is correct
89 Correct 6 ms 9820 KB Output is correct
90 Correct 4 ms 9820 KB Output is correct
91 Correct 4 ms 9988 KB Output is correct
92 Correct 4 ms 9816 KB Output is correct

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 4 ms 9816 KB Output is correct
3 Correct 5 ms 10076 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 6 ms 9900 KB Output is correct
6 Correct 6 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 6 ms 9820 KB Output is correct
9 Correct 6 ms 9820 KB Output is correct
10 Correct 6 ms 9816 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 5 ms 9852 KB Output is correct
13 Correct 5 ms 9816 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 4 ms 9820 KB Output is correct
17 Correct 5 ms 9812 KB Output is correct
18 Correct 4 ms 9820 KB Output is correct
19 Correct 4 ms 9820 KB Output is correct
20 Correct 4 ms 9820 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 4 ms 9880 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9896 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9820 KB Output is correct
28 Correct 6 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct
31 Correct 6 ms 9848 KB Output is correct
32 Correct 4 ms 9820 KB Output is correct
33 Correct 4 ms 9820 KB Output is correct
34 Correct 7 ms 9816 KB Output is correct
35 Correct 5 ms 9820 KB Output is correct
36 Correct 4 ms 9816 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 4 ms 9820 KB Output is correct
39 Correct 5 ms 9820 KB Output is correct
40 Correct 4 ms 9820 KB Output is correct
41 Correct 5 ms 9820 KB Output is correct
42 Correct 4 ms 9856 KB Output is correct
43 Correct 4 ms 9820 KB Output is correct
44 Correct 4 ms 9820 KB Output is correct
45 Correct 6 ms 9820 KB Output is correct
46 Correct 4 ms 9816 KB Output is correct
47 Correct 6 ms 9816 KB Output is correct
48 Correct 4 ms 9820 KB Output is correct
49 Correct 5 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 5 ms 9816 KB Output is correct
52 Correct 5 ms 9820 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 ms 9820 KB Output is correct
55 Correct 4 ms 9820 KB Output is correct
56 Correct 4 ms 9816 KB Output is correct
57 Correct 4 ms 9820 KB Output is correct
58 Correct 3 ms 9820 KB Output is correct
59 Correct 5 ms 9724 KB Output is correct
60 Correct 3 ms 9820 KB Output is correct
61 Correct 4 ms 9820 KB Output is correct
62 Correct 4 ms 9820 KB Output is correct
63 Correct 6 ms 10076 KB Output is correct
64 Correct 3 ms 9820 KB Output is correct
65 Correct 4 ms 10072 KB Output is correct
66 Incorrect 55 ms 33640 KB Output isn't correct
67 Halted 0 ms 0 KB -