Submission #762307

# Submission time Handle Problem Language Result Execution time Memory
762307 2023-06-21T09:35:23 Z sysia Coin Collecting (JOI19_ho_t4) C++17
100 / 100
50 ms 15420 KB
//Sylwia Sapkowska
#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
using namespace std;

void __print(int x) {cerr << x;}
void __print(long long 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...);}
#ifdef LOCAL
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define int long long
typedef pair<int, int> T;
const int oo = 1e18, oo2 = 1e9+7, K = 30;
const int mod = 998244353;

void solve(){
    int n; cin >> n;
    int N = 2*n;
    int ans = 0;
    vector<T>a(N);
    vector cnt(n+2, vector<int>(3));
    for (auto &[x, y] : a){
        cin >> x >> y;
        if (x < 1) {
            ans += (1-x);
            x = 1;
        } 
        if (x > n){
            ans += (x - n);
            x = n;
        }
        if (y < 1){
            ans += (1 - y);
            y = 1;
        }
        if (y > 2){
            ans += (y - 2);
            y = 2;
        }
        cnt[x][y-1]++;
    }
    debug(ans);
    // for (int j = 1; j>=0; j--){
    //     for (int i = 1; i<=n; i++){
    //         cerr << cnt[i][j] << " ";
    //     }
    //     cerr << "\n";
    // }
    vector<int>leave(2), mv(2);
    for (int what = 0; what < 2; what++){
        vector<int>ord;
        int sgn;
        if (!what) {
            for (int i = 1; i<=n; i++) ord.emplace_back(i);
            sgn = 1;
        } else {
            for (int i = n; i>=1; i--) ord.emplace_back(i);
            sgn = -1;
        }
        for (auto i: ord){
            debug(i, ans, cnt[i][0], cnt[i][1]);
            int d = cnt[i][0] + cnt[i][1];
            if (d < 2){                
                //musimy znalezc cos zeby przyciagnac
                for (int rep = 0; rep < 2; rep++){
                    if (!cnt[i][rep]){
                        leave[rep]++;
                    }
                }
                continue;
            }
            //d >= 2 
            
            mv[0] = 0; mv[1] = 0;
            for (int rep = 0; rep < 2; rep++){
                int t = min(leave[rep], max(0ll, cnt[i][rep]-1)); //t zostaje w miejscu, przesuwamy je pozniej w lewo na tym samym lvl
                leave[rep] -= t;
                ans += t;
                cnt[i-sgn][rep] += t;
                cnt[i][rep] -= t;
                mv[rep] = max(0ll, cnt[i][rep]-1);
            }
            debug(cnt[i][0], cnt[i][1]);
            debug(mv);
            for (int rep = 0; rep < 2; rep++){
                if (leave[rep]){
                    int t = min(mv[rep^1], leave[rep]);
                    //tyle mozemy ukrasc i przesunac w pionie, by potem miec na lewo
                    ans += 2*t;
                    cnt[i-sgn][rep] += t;
                    cnt[i][rep^1] -= t;
                    leave[rep] -= t;
                }
            }
            d = cnt[i][0] + cnt[i][1];
            if (d < 2){
                for (int rep = 0; rep < 2; rep++){
                    if (!cnt[i][rep]){
                        leave[rep]++;
                    }
                }
                continue;
            }
            for (int rep = 0; rep < 2; rep++){
                if (!cnt[i][rep] && mv[rep^1]){
                    ans++;
                    cnt[i][rep]++;
                    cnt[i][rep^1]--;
                }
            }
            for (int rep = 0; rep < 2; rep++){
                cnt[i+sgn][rep] += (cnt[i][rep]-1);
                ans += (cnt[i][rep]-1);
                cnt[i][rep] = 1;
            }
            debug(cnt[i][0], cnt[i][1]);
        }
        // for (int j = 1; j>=0; j--){
        //     for (int i = 1; i<=n; i++){
        //         cerr << cnt[i][j] << " ";
        //     }
        //     cerr << "\n";
        // }
        // debug(ans);
        // return;
    }
    cout << ans << "\n";
}

int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    //cin >> t;
    while (t--) solve();

    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 29 ms 10704 KB Output is correct
66 Correct 41 ms 15420 KB Output is correct
67 Correct 41 ms 13868 KB Output is correct
68 Correct 48 ms 13872 KB Output is correct
69 Correct 50 ms 13884 KB Output is correct
70 Correct 47 ms 13884 KB Output is correct
71 Correct 45 ms 13888 KB Output is correct
72 Correct 37 ms 13884 KB Output is correct
73 Correct 41 ms 13880 KB Output is correct
74 Correct 38 ms 13896 KB Output is correct
75 Correct 49 ms 13752 KB Output is correct
76 Correct 44 ms 13872 KB Output is correct
77 Correct 37 ms 13872 KB Output is correct
78 Correct 35 ms 13880 KB Output is correct
79 Correct 36 ms 13884 KB Output is correct
80 Correct 37 ms 13888 KB Output is correct
81 Correct 36 ms 13872 KB Output is correct
82 Correct 37 ms 13888 KB Output is correct
83 Correct 36 ms 13880 KB Output is correct
84 Correct 41 ms 14128 KB Output is correct
85 Correct 37 ms 13872 KB Output is correct
86 Correct 37 ms 13888 KB Output is correct
87 Correct 38 ms 13880 KB Output is correct
88 Correct 40 ms 13876 KB Output is correct
89 Correct 38 ms 13876 KB Output is correct
90 Correct 39 ms 13872 KB Output is correct
91 Correct 39 ms 13872 KB Output is correct
92 Correct 39 ms 14012 KB Output is correct
93 Correct 40 ms 14000 KB Output is correct
94 Correct 38 ms 13764 KB Output is correct
95 Correct 37 ms 13744 KB Output is correct
96 Correct 45 ms 13864 KB Output is correct
97 Correct 46 ms 13892 KB Output is correct
98 Correct 41 ms 13892 KB Output is correct
99 Correct 37 ms 13880 KB Output is correct
100 Correct 37 ms 13892 KB Output is correct
101 Correct 37 ms 13884 KB Output is correct
102 Correct 42 ms 13872 KB Output is correct
103 Correct 37 ms 13884 KB Output is correct