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답안 #482141

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
482141 2021-10-23T11:19:33 Z cheissmart Two Transportations (JOI19_transportations) C++14
62 / 100
 605 ms 48884 KB 
#include "Azer.h"
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;


const int INF = 1e9 + 7, N = 2005;

namespace {
    V<pi> G[N];
    int d[N], vis[N];
    int n;
    int state, last_dist;
    int u, dist, code, cnt;
    // state
    // 0: to sent
    // 1: waiting B cost
    // 2: watting B for who

    void send_cost(int cost) {
        for(int i = 8; i >= 0; i--)
            SendA(cost >> i & 1);
    }
    void send_who(int who) {
        for(int i = 10; i >= 0; i--)
            SendA(who >> i & 1);
    }

    void upd(int dist, int u) {
        if(u == (1 << 11) - 1)
            return;
        assert(dist >= last_dist);
        assert(!vis[u]);
        d[u] = dist;
        vis[u] = 1;
        last_dist = dist;
        for(auto [v, w]:G[u]) {
            if(d[u] + w < d[v]) {
                d[v] = d[u] + w;
            }
        }
    }

    void start() { 
        assert(state == 0);
        dist = last_dist + (1 << 9) - 1, u = (1 << 11) - 1;
        for(int i = 0; i < n; i++) if(!vis[i]) {
            if(d[i] < dist) {
                dist = d[i];
                u = i;
            }
        }
        send_cost(dist - last_dist);
        state = 1;
    }

}  // namespace

void InitA(int _n, int A, vi u, vi v, vi c) {
    n = _n;
    for(int i = 0; i < A; i++) {
        G[u[i]].EB(v[i], c[i]);
        G[v[i]].EB(u[i], c[i]);
    }
    memset(d, 0x3f, sizeof(d[0]) * n);
    memset(vis, 0, sizeof(vis[0]) * n);
    d[0] = 0;

    state = 0;
    last_dist = 0;
    code = 0;
    cnt = 0;
    start();
}

void ReceiveA(bool x) {
    if(state == 1) {
        code = code * 2 + x;
        cnt++;
        if(cnt == 9) {
            if(last_dist + code < dist) {
                dist = last_dist + code;
                state = 2;
                code = 0;
                cnt = 0;
            } else {
                send_who(u);
                upd(dist, u);
                state = 0;
                code = 0;
                cnt = 0;
                if(u != (1 << 11) - 1)
                    start();
            }
        }
    } else if(state == 2) {
        code = code * 2 + x;
        cnt++;
        if(cnt == 11) {
            u = code;
            upd(dist, u);
            state = 0;
            code = 0;
            cnt = 0;
            start();
        }
     } else throw;
}

vi Answer() {
    vi ans(n);
    for(int i = 0; i < n; i++) {
        // assert(vis[i]);
        ans[i] = d[i];
    }
    return ans;
}


#include "Baijan.h"
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

const int INF = 1e9 + 7, N = 2005;
namespace {
    V<pi> G[N];
    int d[N], vis[N];
    int n;
    int state, last_dist;
    int u, dist, code, cnt;
    // state
    // 0: wait A
    // 1: 

    void send_cost(int cost) {
        for(int i = 8; i >= 0; i--)
            SendB(cost >> i & 1);
    }
    void send_who(int who) {
        for(int i = 10; i >= 0; i--)
            SendB(who >> i & 1);
    }

    void upd(int dist, int u) {
        if(u == (1 << 11) - 1)
            return;
        d[u] = dist;
        vis[u] = 1;
        last_dist = dist;
        for(auto [v, w]:G[u]) {
            if(d[u] + w < d[v]) {
                d[v] = d[u] + w;
            }
        }
    }

    void start() { 
        dist = last_dist + (1 << 9) - 1, u = (1 << 11) - 1;
        for(int i = 0; i < n; i++) if(!vis[i]) {
            if(d[i] < dist) {
                dist = d[i];
                u = i;
            }
        }
    }
}  // namespace


void InitB(int _n, int A, vi u, vi v, vi c) {
    n = _n;
    for(int i = 0; i < A; i++) {
        G[u[i]].EB(v[i], c[i]);
        G[v[i]].EB(u[i], c[i]);
    }
    memset(d, 0x3f, sizeof(d[0]) * n);
    memset(vis, 0, sizeof(vis[0]) * n);
    d[0] = 0;

    state = 0;
    last_dist = 0;
    code = 0;
    cnt = 0;
}

void ReceiveB(bool x) {
    if(state == 0) {
        code = code * 2 + x;
        cnt++;
        if(cnt == 9) {
            start();
            if(last_dist + code > dist) {
                int tt = dist - last_dist;
                cnt = 0;
                code = 0;
                state = 0;
                upd(dist, u);
                send_cost(tt);
                send_who(u);
            } else {
                int tt = dist - last_dist;
                dist = last_dist + code;
                cnt = 0;
                code = 0;
                state = 1;
                send_cost(tt);
            }
        }
    } else if(state == 1) {
        code = code * 2 + x;
        cnt++;
        if(cnt == 11) {
            u = code;
            cnt = 0;
            code = 0;
            state = 0;
            upd(dist, u);
        }
    }
}

Compilation message

Azer.cpp: In function 'void {anonymous}::upd(int, int)':
Azer.cpp:49:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |         for(auto [v, w]:G[u]) {
      |                  ^

Baijan.cpp: In function 'void {anonymous}::upd(int, int)':
Baijan.cpp:44:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   44 |         for(auto [v, w]:G[u]) {
      |                  ^

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 271 ms 324 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 648 KB Output is correct
2 Incorrect 233 ms 324 KB Wrong Answer [2]
3 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 206 ms 324 KB Wrong Answer [2]
2 Halted 0 ms 0 KB -

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 196 ms 768 KB Output is correct
2 Correct 209 ms 768 KB Output is correct
3 Correct 292 ms 13424 KB Output is correct
4 Correct 148 ms 648 KB Output is correct
5 Correct 301 ms 10128 KB Output is correct
6 Correct 246 ms 648 KB Output is correct
7 Correct 224 ms 648 KB Output is correct
8 Correct 203 ms 648 KB Output is correct
9 Correct 317 ms 18048 KB Output is correct
10 Correct 358 ms 18300 KB Output is correct
11 Correct 402 ms 35716 KB Output is correct
12 Correct 372 ms 30572 KB Output is correct
13 Correct 205 ms 648 KB Output is correct
14 Correct 2 ms 648 KB Output is correct

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 196 ms 768 KB Output is correct
2 Correct 209 ms 768 KB Output is correct
3 Correct 292 ms 13424 KB Output is correct
4 Correct 148 ms 648 KB Output is correct
5 Correct 301 ms 10128 KB Output is correct
6 Correct 246 ms 648 KB Output is correct
7 Correct 224 ms 648 KB Output is correct
8 Correct 203 ms 648 KB Output is correct
9 Correct 317 ms 18048 KB Output is correct
10 Correct 358 ms 18300 KB Output is correct
11 Correct 402 ms 35716 KB Output is correct
12 Correct 372 ms 30572 KB Output is correct
13 Correct 205 ms 648 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 301 ms 648 KB Output is correct
16 Correct 226 ms 644 KB Output is correct
17 Correct 244 ms 648 KB Output is correct
18 Correct 279 ms 10096 KB Output is correct
19 Correct 208 ms 720 KB Output is correct
20 Correct 296 ms 10364 KB Output is correct
21 Correct 283 ms 648 KB Output is correct
22 Correct 283 ms 648 KB Output is correct
23 Correct 378 ms 22268 KB Output is correct
24 Correct 423 ms 22160 KB Output is correct
25 Correct 476 ms 43504 KB Output is correct
26 Correct 458 ms 36360 KB Output is correct
27 Correct 276 ms 776 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 196 ms 768 KB Output is correct
2 Correct 209 ms 768 KB Output is correct
3 Correct 292 ms 13424 KB Output is correct
4 Correct 148 ms 648 KB Output is correct
5 Correct 301 ms 10128 KB Output is correct
6 Correct 246 ms 648 KB Output is correct
7 Correct 224 ms 648 KB Output is correct
8 Correct 203 ms 648 KB Output is correct
9 Correct 317 ms 18048 KB Output is correct
10 Correct 358 ms 18300 KB Output is correct
11 Correct 402 ms 35716 KB Output is correct
12 Correct 372 ms 30572 KB Output is correct
13 Correct 205 ms 648 KB Output is correct
14 Correct 2 ms 648 KB Output is correct
15 Correct 301 ms 648 KB Output is correct
16 Correct 226 ms 644 KB Output is correct
17 Correct 244 ms 648 KB Output is correct
18 Correct 279 ms 10096 KB Output is correct
19 Correct 208 ms 720 KB Output is correct
20 Correct 296 ms 10364 KB Output is correct
21 Correct 283 ms 648 KB Output is correct
22 Correct 283 ms 648 KB Output is correct
23 Correct 378 ms 22268 KB Output is correct
24 Correct 423 ms 22160 KB Output is correct
25 Correct 476 ms 43504 KB Output is correct
26 Correct 458 ms 36360 KB Output is correct
27 Correct 276 ms 776 KB Output is correct
28 Correct 379 ms 648 KB Output is correct
29 Correct 367 ms 656 KB Output is correct
30 Correct 441 ms 24060 KB Output is correct
31 Correct 238 ms 660 KB Output is correct
32 Correct 441 ms 21108 KB Output is correct
33 Correct 356 ms 732 KB Output is correct
34 Correct 339 ms 904 KB Output is correct
35 Correct 347 ms 776 KB Output is correct
36 Correct 407 ms 24716 KB Output is correct
37 Correct 422 ms 24708 KB Output is correct
38 Correct 605 ms 48884 KB Output is correct
39 Correct 493 ms 44416 KB Output is correct
40 Correct 289 ms 1024 KB Output is correct

Subtask #7
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 271 ms 324 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -