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QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#692237#9519. Build a ComputerOldMemoryAC ✓1ms3824kbC++147.4kb2024-10-31 14:09:382024-10-31 14:09:39

Judging History

This is the latest submission verdict.

  • [2024-10-31 14:09:39]
  • Judged
  • Verdict: AC
  • Time: 1ms
  • Memory: 3824kb
  • [2024-10-31 14:09:38]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int, int> PII;
typedef long long LL;
const int INF = 0x3f3f3f3f3f3f3f3f;

bool multi = 0;

vector<vector<PII>> adj1(10000);
vector<vector<PII>> adj2(10000);

void add(int a, int b, int c) {
    // cerr << "ADDEDGES:" << a << ' ' << b << ' ' << c << '\n';
    adj1[a].push_back({b, c});
    adj2[b].push_back({a, c});
}

int L, R, lhi, rhi;
int S = 21, T = 0, idx = 21;

void solveVal(int start, int num) {
    int hiw = -1;
    for(int i = 20; i >= 0; i--) {
        if(num >> i & 1) {
            hiw = i;
            break;
        }
    }
    // if(hiw == -1) {
    //     return;
    // }
    for(int i = hiw; i >= 0; i--) {
        int from = -1, to = -1;
        if(i == hiw) {
            from = start;
        }else{
            from = idx;
        }
        if(i == 0) {
            to = T;
        }else{
            to = ++idx;
        }
        add(from, to, num >> i & 1);
        // cerr << from << ' ' << to << '\n';
    }
}

void solveUSame1(int startl, int startr, int l, int r) {
    // cerr << "START:" << start << '\n';
    int lhi = 0, rhi = 0;
    for(int i = 20; i >= 0; i--) {
        if(l >> i & 1) {
            lhi = max(lhi, i);
        }
        if(r >> i & 1) {
            rhi = max(rhi, i);
        }
    }
    add(startr, ++idx, 1);
    // cerr << start << ' ' << idx << '\n';
    for(int i = rhi - 1; i > lhi; i--) {
        add(idx, i - 1, 0);
        add(idx, i - 1, 1);
    }
    // cerr << "JIDWJAIODJWOAJD: " << startl << ' ' << startr << '\n';
    // solveVal(startl, l);
    // solveVal(startr, r);
    if(l != 0) {
        int la = startl;
        for(int i = lhi; i >= 0; i--) {
            if(l >> i & 1) {
                add(la, ++idx, 1);
                la = idx;
            }else{
                add(la, i, 1);
                add(la, ++idx, 0);
                la = idx;
            }
        }
    }
    int la = startr;
    add(la, ++idx, 1);
    // cerr << "DWAJ:" << la << ' ' << idx << ' ' << 1 << '\n';
    la = idx;
    // cerr << l << ' ' << r << '\n';
    for(int i = rhi - 1; i >= 0; i--) {
        if(r >> i & 1) {
            // cerr << "DWAJ:" << la << ' ' << i << ' ' << 0 << '\n';
            add(la, i, 0);
            add(la, ++idx, 1);
            la = idx;
        }else{
            add(la, ++idx, 0);
            la = idx;
        }
    }
}

void solveUSame2(int startl, int startr, int l, int r) {
    // cerr << "START:" << start << '\n';
    int lhi = 0, rhi = 0;
    for(int i = 20; i >= 0; i--) {
        if(l >> i & 1) {
            lhi = max(lhi, i);
        }
        if(r >> i & 1) {
            rhi = max(rhi, i);
        }
    }
    add(startr, ++idx, 0);
    int la = idx;
    // cerr << start << ' ' << idx << '\n';
    for(int i = rhi - 1; i > lhi; i--) {
        add(la, i, 1);
        add(la, ++idx, 0);
        la = idx;
    }
    // cerr << "JIDWJAIODJWOAJD: " << startl << ' ' << startr << '\n';
    // solveVal(startl, l);
    // solveVal(startr, r);
    if(l != 0) {
        int la = startl;
        for(int i = lhi; i >= 0; i--) {
            if(l >> i & 1) {
                add(la, ++idx, 1);
                la = idx;
            }else{
                add(la, i, 1);
                add(la, ++idx, 0);
                la = idx;
            }
        }
    }
    la = startr;
    add(la, ++idx, 1);
    // cerr << "DWAJ:" << la << ' ' << idx << ' ' << 1 << '\n';
    la = idx;
    // cerr << l << ' ' << r << '\n';
    for(int i = rhi - 1; i >= 0; i--) {
        if(r >> i & 1) {
            // cerr << "DWAJ:" << la << ' ' << i << ' ' << 0 << '\n';
            add(la, i, 0);
            add(la, ++idx, 1);
            la = idx;
        }else{
            add(la, ++idx, 0);
            la = idx;
        }
    }
}

void solve() {

    cin >> L >> R;
    // for(int i = 20; i >= 0; i--) {
    //     cout << (R >> i & 1);
    // }
    // cout << '\n';
    // for(int i = 20; i >= 0; i--) {
    //     cout << (L >> i & 1);
    // }
    // cout << '\n';
    for(int i = 20; i >= 1; i--) {
        add(i, i - 1, 0);
        add(i, i - 1, 1);
    }
    for(int i = 20; i >= 0; i--) {
        if(L >> i & 1) {
            lhi = i;
            break;
        }
    }
    for(int i = 20; i >= 0; i--) {
        if(R >> i & 1) {
            rhi = i;
            break;
        }
    }
    if(L == R) {
        solveVal(S, L);
    }else{
        int tl = L, tr = R;
        if(lhi == rhi) {
            for(int i = lhi; i >= 0; i--) {
                if(!(L >> i & 1) && (R >> i & 1)) {
                    int riidx = idx;
                    for(int j = i; j >= 0; j--) {
                        if(!(L >> j & 1)) {
                            add(idx, idx + 1, 0);
                            idx++;
                        }else break;
                    }
                    int leidx = idx;
                    solveUSame2(leidx, riidx, L, R);
                    break;
                }else{
                    // cerr << idx << ' ' << idx + 1 << '\n';
                    add(idx, idx + 1, L >> i & 1);
                    ++idx;
                    L = min(L, L ^ (1LL << i));
                    R = min(R, R ^ (1LL << i));
                }
            }
            idx++;
            solveVal(S, tl), solveVal(S, tr);
        }else{
            solveUSame1(S, S, L, R);
            solveVal(S, L), solveVal(S, R);
        }
    }
    vector<int> dist1(idx + 1, INF), dist2(idx + 1, INF), vis(idx + 1);
    auto bfs = [&](int start, vector<vector<PII>>& adj, vector<int>& dist) -> void {
        queue<int> q;
        dist[start] = 0;
        q.push(start);
        while(q.size()) {
            int u = q.front(); q.pop();
            for(auto [v, w]: adj[u]) {
                if(dist[v] > dist[u] + 1) {
                    dist[v] = dist[u] + 1;
                    q.push(v);
                }
            }
        }
    };
    bfs(S, adj1, dist1);
    bfs(T, adj2, dist2);
    vector<int> nums;
    for(int i = 0; i <= idx; i++) {
        if(dist1[i] != INF && dist2[i] != INF) {
            vis[i] = 1;
            nums.push_back(i);
            // cout << "JIDJWA: " << i << '\n';
        }
    }
    sort(nums.begin(), nums.end());
    nums.erase(unique(nums.begin(), nums.end()), nums.end());
    auto find = [&](int x) -> int {
        return lower_bound(nums.begin(), nums.end(), x) - nums.begin() + 1;
    };
    // cout << idx << '\n';
    // if(idx > 10000) {
    //     while(1) {}
    // }
    int tot = nums.size();
    vector<vector<PII>> ans(tot + 1);
    for(int i = 0; i <= idx; i++) {
        if(!vis[i]) continue;
        for(auto [v, w]: adj1[i]) {
            if(!vis[v]) continue;
            ans[find(i)].push_back({find(v), w});
        }
    }
    // for(int i = 1; i <= tot; i++) {
    //     for(auto [v, w]: ans[i]) {
    //         cerr << i << ' ' << v << ' ' << w << '\n';
    //     }
    // }
    cout << tot << '\n';
    for(int i = 1; i <= tot; i++) {
        cout << ans[i].size();
        for(auto [v, w] : ans[i]) {
            cout << ' ' << v << ' ' << w;
        }
        cout << '\n';
    }

}

signed main() {
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int T = 1;
    if(multi) cin >> T;
    while(T--) {
        solve();
    }

    return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3592kb

input:

5 7

output:

8
0
3 3 1 5 1 7 1
1 4 1
1 1 0
1 6 0
1 1 1
1 8 1
1 1 1

result:

ok ok

Test #2:

score: 0
Accepted
time: 1ms
memory: 3612kb

input:

10 27

output:

19
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
4 6 1 9 1 13 1 16 1
2 3 1 7 0
1 8 1
1 1 1
2 4 0 10 1
1 11 0
2 2 0 12 1
1 1 0
1 14 0
1 15 1
1 1 0
1 17 1
1 18 0
1 19 1
1 1 1

result:

ok ok

Test #3:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

5 13

output:

13
0
2 1 0 1 1
2 2 0 2 1
4 5 1 6 1 9 1 11 1
1 2 1
2 3 0 7 1
1 8 0
1 1 0
1 10 0
1 1 1
1 12 1
1 13 0
1 1 1

result:

ok ok

Test #4:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

1 1000000

output:

53
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
2 18 0 18 1
4 21 1 22 1 1 1 35 1
36 18 0 18 1 17 0 17 1 16 0 16 1 15 0 15 1 14 0 14 1 13 0 13 1 12 0 12 1 11 ...

result:

ok ok

Test #5:

score: 0
Accepted
time: 1ms
memory: 3552kb

input:

1 1

output:

2
0
1 1 1

result:

ok ok

Test #6:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

7 9

output:

10
0
3 3 1 6 1 8 1
1 4 0
1 5 0
1 1 0
1 7 1
1 1 1
1 9 0
1 10 0
1 1 1

result:

ok ok

Test #7:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

3 7

output:

8
0
2 1 0 1 1
3 4 1 6 1 7 1
2 2 0 5 1
1 1 0
1 1 1
1 8 1
1 1 1

result:

ok ok

Test #8:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

1 5

output:

7
0
4 3 1 4 1 1 1 6 1
2 1 0 1 1
1 5 0
1 1 0
1 7 0
1 1 1

result:

ok ok

Test #9:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

1 4

output:

5
0
3 3 1 1 1 4 1
2 1 0 1 1
1 5 0
1 1 0

result:

ok ok

Test #10:

score: 0
Accepted
time: 0ms
memory: 3812kb

input:

8 9

output:

8
0
2 3 1 6 1
1 4 0
1 5 0
1 1 0
1 7 0
1 8 0
1 1 1

result:

ok ok

Test #11:

score: 0
Accepted
time: 1ms
memory: 3784kb

input:

7 51

output:

19
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
4 7 1 8 1 13 1 15 1
4 4 0 4 1 3 0 3 1
2 5 0 9 1
1 10 0
1 11 0
2 2 0 12 1
1 1 0
1 14 1
1 1 1
1 16 1
1 17 0
1 18 0
1 19 1
1 1 1

result:

ok ok

Test #12:

score: 0
Accepted
time: 1ms
memory: 3520kb

input:

51 79

output:

25
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
4 6 1 9 1 15 1 20 1
1 7 1
2 4 1 8 0
1 3 1
1 10 0
1 11 0
2 4 0 12 1
2 3 0 13 1
2 2 0 14 1
1 1 0
1 16 1
1 17 0
1 18 0
1 19 1
1 1 1
1 21 0
1 22 0
1 23 1
1 24 1
1 25 1
1 1 1

result:

ok ok

Test #13:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

92 99

output:

26
0
2 1 0 1 1
3 4 1 15 1 21 1
2 5 0 10 1
1 6 1
1 7 1
1 8 1
2 2 1 9 0
1 1 1
1 11 0
1 12 0
1 13 0
2 2 0 14 1
1 1 0
1 16 0
1 17 1
1 18 1
1 19 1
1 20 0
1 1 0
1 22 1
1 23 0
1 24 0
1 25 0
1 26 1
1 1 1

result:

ok ok

Test #14:

score: 0
Accepted
time: 1ms
memory: 3556kb

input:

27 36

output:

18
0
2 1 0 1 1
2 2 0 2 1
4 5 1 7 1 10 1 14 1
1 6 1
1 3 1
1 8 0
1 9 0
1 3 0
1 11 1
1 12 0
1 13 1
1 1 1
1 15 0
1 16 0
1 17 1
1 18 0
1 1 0

result:

ok ok

Test #15:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

55 84

output:

23
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
4 7 1 9 1 13 1 18 1
1 8 1
1 4 1
1 10 0
2 5 0 11 1
1 12 0
1 3 0
1 14 1
1 15 0
1 16 1
1 17 1
1 1 1
1 19 0
1 20 1
1 21 0
1 22 1
1 23 0
1 1 0

result:

ok ok

Test #16:

score: 0
Accepted
time: 1ms
memory: 3512kb

input:

297208 929600

output:

88
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
2 18 0 18 1
4 21 1 39 1 52 1 70 1
2 18 1 22 0
2 17 1 23 0
1 24 1
2 15 1 25 0
2 14 1 26 0
2 13 1 27 0
1 28 1
2...

result:

ok ok

Test #17:

score: 0
Accepted
time: 1ms
memory: 3568kb

input:

45728 589156

output:

86
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
5 20 1 21 1 36 1 53 1 68 1
6 18 0 18 1 17 0 17 1 16 0 16 1
2 15 1 22 0
1 23 1
1 24 1
2 12 1 25 0
2 11 1 26 0
...

result:

ok ok

Test #18:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

129152 138000

output:

76
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
4 15 1 31 1 44 1 60 1
1 16 1
1 17 1
1 18 1
1 19 1
1 20 1
2 11 1 21 0
2 10 1 22 0
2 9 1 23 0
1 24 1
2 7 1 25 0
2 6 1 26 0
2 5 1 27 0
2 4 1 28 0
2 3 1 29 0
2 2 1 30 0
1 1 ...

result:

ok ok

Test #19:

score: 0
Accepted
time: 1ms
memory: 3644kb

input:

245280 654141

output:

92
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
5 20 1 21 1 38 1 57 1 74 1
2 18 0 18 1
1 22 1
1 23 1
2 15 1 24 0
1 25 1
1 26 1
1 27 1
1 28 1
1 29 1
2 9 1 30 ...

result:

ok ok

Test #20:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

202985 296000

output:

80
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
4 18 1 34 1 46 1 63 1
1 19 1
2 16 1 20 0
2 15 1 21 0
2 14 1 22 0
1 23 1
1 24 1
2 11 1 25 0
2 10 1 26 0
2 9 1 27 0
1 28 1
1 29 1
1 30 ...

result:

ok ok

Test #21:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

438671 951305

output:

90
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
2 18 0 18 1
4 21 1 35 1 54 1 72 1
1 22 1
2 17 1 23 0
1 24 1
2 15 1 25 0
1 26 1
1 27 1
2 12 1 28 0
2 11 1 29 0...

result:

ok ok

Test #22:

score: 0
Accepted
time: 1ms
memory: 3564kb

input:

425249 739633

output:

92
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
4 20 1 37 1 56 1 74 1
1 21 1
2 17 1 22 0
2 16 1 23 0
1 24 1
1 25 1
1 26 1
1 27 1
1 28 1
2 10 1 29 0
1 30 1
2 ...

result:

ok ok

Test #23:

score: 0
Accepted
time: 1ms
memory: 3664kb

input:

551207 961718

output:

93
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
3 20 1 56 1 75 1
3 21 0 25 0 39 1
1 22 0
1 23 0
1 24 0
1 28 1
2 18 1 26 0
2 17 1 27 0
1 16 1
1 29 1
2 13 1 30...

result:

ok ok

Test #24:

score: 0
Accepted
time: 1ms
memory: 3624kb

input:

114691 598186

output:

87
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
2 16 0 16 1
2 17 0 17 1
5 20 1 21 1 35 1 53 1 69 1
4 18 0 18 1 17 0 17 1
1 22 1
1 23 1
2 14 1 24 0
2 13 1 25 0
2 12 1 26 0
2 11 1 27 ...

result:

ok ok

Test #25:

score: 0
Accepted
time: 1ms
memory: 3800kb

input:

234654 253129

output:

81
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
3 16 1 48 1 65 1
1 17 1
1 18 1
3 19 0 21 0 34 1
1 20 0
1 22 1
1 14 1
2 12 1 23 0
1 24 1
2 10 1 25 0
2 9 1 26 0
1 27 1
2 7 1 28 0
2 6 1 29 0
1 30 1
1 31 1
1 3...

result:

ok ok

Test #26:

score: 0
Accepted
time: 1ms
memory: 3636kb

input:

554090 608599

output:

91
0
2 1 0 1 1
2 2 0 2 1
2 3 0 3 1
2 4 0 4 1
2 5 0 5 1
2 6 0 6 1
2 7 0 7 1
2 8 0 8 1
2 9 0 9 1
2 10 0 10 1
2 11 0 11 1
2 12 0 12 1
2 13 0 13 1
2 14 0 14 1
2 15 0 15 1
3 18 1 54 1 73 1
1 19 0
1 20 0
3 21 0 23 0 38 1
1 22 0
1 24 1
1 16 1
1 25 1
1 26 1
2 12 1 27 0
1 28 1
2 10 1 29 0
2 9 1 30 0
2 8 1 31...

result:

ok ok

Extra Test:

score: 0
Extra Test Passed