oj.uz

Submission #78915

# Submission time Handle Problem Language Result Execution time Memory
78915 2018-10-09T14:54:37 Z wleung_bvg Highway Tolls (IOI18_highway) C++14
90 / 100
 352 ms 9048 KB 
#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define f first
#define s second
#define all(a) (a).begin(),(a).end()
#define For(i,a,b) for(auto i=(a);i<(b);i++)
#define FOR(i,b) For(i,0,b)
#define Rev(i,a,b) for(auto i=(a);i>(b);i--)
#define REV(i,a) Rev(i,a,-1)
#define FORE(i,a) for(auto&&i:a)
#define sz(a) (int((a).size()))
#define MIN(a,b) ((a)=min((a),(b)))
#define MAX(a,b) ((a)=max((a),(b)))
using ll=long long;using ld=long double;using uint=unsigned int;using ull=unsigned long long;
using pii=pair<int,int>;using pll=pair<ll,ll>;using pill=pair<int,ll>;using plli=pair<ll,int>;using pdd=pair<double,double>;using pld=pair<ld,ld>;
constexpr const char nl='\n',sp=' ';constexpr const int INT_INF=0x3f3f3f3f;constexpr const ll LL_INF=0x3f3f3f3f3f3f3f3f;
constexpr const double D_INF=numeric_limits<double>::infinity();constexpr const ld LD_INF=numeric_limits<ld>::infinity();constexpr const double EPS=1e-9;

const int MAXN = 90005, MAXM = 130005;

int q[MAXN], to[MAXN];
bool good[MAXM];
vector<int> adj[MAXN];

void find_pair(int N, vector<int> U, vector<int> V, int A, int B) {
    int M = sz(U), front, back, s = 0, lo = 0, hi = M - 1, mid, v;
    FOR(i, M) {
        adj[U[i]].pb(i);
        adj[V[i]].pb(i);
    }
    vector<int> Q(M, 0);
    ll DA = ask(Q);
    while (lo < hi) {
        mid = lo + (hi - lo) / 2;
        FOR(i, M) Q[i] = i <= mid;
        if (ask(Q) == DA) lo = mid + 1;
        else hi = mid;
    }
    s = U[lo];
    vector<int> ans;
    fill(good, good + M, 1);
    FOR(_, 2) {
        front = 0, back = 0, lo = 1, hi = N - 1;
        fill(to, to + N, -1);
        to[q[back++] = s] = -INT_INF;
        while (front < back) FORE(e, adj[v = q[front++]]) if (good[e] && to[v ^ U[e] ^ V[e]] == -1) good[to[q[back++] = v ^ U[e] ^ V[e]] = e] = 0;
        while (lo <= hi) {
            mid = lo + (hi - lo) / 2;
            fill(all(Q), 1);
            For(i, 1, mid) Q[to[q[i]]] = 0;
            if (ask(Q) == DA) hi = mid - 1;
            else lo = mid + 1;
        }
        FOR(i, M) good[i] ^= 1;
        ans.pb(s = q[hi]);
    }
    answer(ans[0], ans[1]);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2440 KB Output is correct
2 Correct 4 ms 2440 KB Output is correct
3 Correct 4 ms 2440 KB Output is correct
4 Correct 4 ms 2428 KB Output is correct
5 Correct 4 ms 2524 KB Output is correct
6 Correct 4 ms 2424 KB Output is correct
7 Correct 4 ms 2424 KB Output is correct
8 Correct 4 ms 2424 KB Output is correct
9 Correct 4 ms 2444 KB Output is correct
10 Correct 4 ms 2424 KB Output is correct
11 Correct 4 ms 2444 KB Output is correct
12 Correct 4 ms 2424 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2424 KB Output is correct
2 Correct 25 ms 2964 KB Output is correct
3 Correct 257 ms 8036 KB Output is correct
4 Correct 270 ms 7940 KB Output is correct
5 Correct 262 ms 7936 KB Output is correct
6 Correct 276 ms 7928 KB Output is correct
7 Correct 251 ms 7984 KB Output is correct
8 Correct 212 ms 7952 KB Output is correct
9 Correct 257 ms 7924 KB Output is correct
10 Correct 274 ms 7976 KB Output is correct
11 Correct 232 ms 7892 KB Output is correct
12 Correct 288 ms 7924 KB Output is correct
13 Correct 240 ms 7932 KB Output is correct
14 Correct 278 ms 7916 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 3020 KB Output is correct
2 Correct 41 ms 3648 KB Output is correct
3 Correct 61 ms 4248 KB Output is correct
4 Correct 165 ms 7940 KB Output is correct
5 Correct 179 ms 7844 KB Output is correct
6 Correct 180 ms 7840 KB Output is correct
7 Correct 181 ms 7840 KB Output is correct
8 Correct 219 ms 7900 KB Output is correct
9 Correct 162 ms 7824 KB Output is correct

Subtask #4
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2424 KB Output is correct
2 Correct 26 ms 2936 KB Output is correct
3 Correct 171 ms 6728 KB Output is correct
4 Correct 227 ms 7944 KB Output is correct
5 Correct 213 ms 8036 KB Output is correct
6 Correct 182 ms 7932 KB Output is correct
7 Correct 217 ms 7944 KB Output is correct
8 Correct 214 ms 8040 KB Output is correct
9 Correct 261 ms 7936 KB Output is correct
10 Correct 251 ms 8040 KB Output is correct
11 Correct 261 ms 7992 KB Output is correct
12 Correct 287 ms 7832 KB Output is correct
13 Correct 273 ms 7848 KB Output is correct
14 Correct 283 ms 7828 KB Output is correct
15 Correct 204 ms 7932 KB Output is correct
16 Correct 192 ms 7936 KB Output is correct
17 Correct 283 ms 7828 KB Output is correct
18 Correct 284 ms 7860 KB Output is correct
19 Correct 196 ms 8044 KB Output is correct
20 Correct 216 ms 7856 KB Output is correct
21 Correct 230 ms 8184 KB Output is correct
22 Correct 217 ms 8272 KB Output is correct
23 Correct 240 ms 8188 KB Output is correct
24 Correct 237 ms 8152 KB Output is correct
25 Correct 297 ms 7876 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2980 KB Output is correct
2 Correct 36 ms 3004 KB Output is correct
3 Correct 263 ms 8160 KB Output is correct
4 Correct 278 ms 8404 KB Output is correct
5 Correct 300 ms 8924 KB Output is correct
6 Correct 301 ms 8944 KB Output is correct
7 Correct 328 ms 8944 KB Output is correct
8 Correct 342 ms 8948 KB Output is correct
9 Correct 250 ms 7128 KB Output is correct
10 Correct 236 ms 7400 KB Output is correct
11 Correct 260 ms 7376 KB Output is correct
12 Correct 301 ms 8476 KB Output is correct
13 Correct 304 ms 8808 KB Output is correct
14 Correct 304 ms 8804 KB Output is correct
15 Correct 311 ms 8808 KB Output is correct
16 Correct 279 ms 7752 KB Output is correct
17 Correct 247 ms 8316 KB Output is correct
18 Correct 231 ms 8436 KB Output is correct
19 Correct 245 ms 8388 KB Output is correct
20 Correct 228 ms 8384 KB Output is correct
21 Correct 320 ms 9004 KB Output is correct

Subtask #6
21.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 2984 KB Output is correct
2 Correct 32 ms 3036 KB Output is correct
3 Partially correct 274 ms 8184 KB Output is partially correct
4 Correct 245 ms 8300 KB Output is correct
5 Partially correct 276 ms 8404 KB Output is partially correct
6 Correct 303 ms 8936 KB Output is correct
7 Partially correct 244 ms 8200 KB Output is partially correct
8 Partially correct 246 ms 8292 KB Output is partially correct
9 Partially correct 306 ms 8432 KB Output is partially correct
10 Partially correct 295 ms 8928 KB Output is partially correct
11 Partially correct 300 ms 9048 KB Output is partially correct
12 Partially correct 291 ms 9032 KB Output is partially correct
13 Correct 251 ms 7376 KB Output is correct
14 Correct 250 ms 7348 KB Output is correct
15 Correct 253 ms 7388 KB Output is correct
16 Correct 248 ms 7392 KB Output is correct
17 Correct 276 ms 7368 KB Output is correct
18 Correct 261 ms 7444 KB Output is correct
19 Correct 283 ms 8440 KB Output is correct
20 Partially correct 301 ms 8608 KB Output is partially correct
21 Partially correct 343 ms 8812 KB Output is partially correct
22 Partially correct 283 ms 8808 KB Output is partially correct
23 Partially correct 312 ms 8784 KB Output is partially correct
24 Partially correct 327 ms 8876 KB Output is partially correct
25 Partially correct 268 ms 9000 KB Output is partially correct
26 Partially correct 309 ms 8788 KB Output is partially correct
27 Partially correct 243 ms 8348 KB Output is partially correct
28 Partially correct 226 ms 8368 KB Output is partially correct
29 Partially correct 222 ms 8528 KB Output is partially correct
30 Correct 268 ms 8328 KB Output is correct
31 Correct 254 ms 8356 KB Output is correct
32 Partially correct 248 ms 8408 KB Output is partially correct
33 Partially correct 242 ms 8428 KB Output is partially correct
34 Correct 243 ms 8412 KB Output is correct
35 Partially correct 221 ms 8356 KB Output is partially correct
36 Partially correct 225 ms 8216 KB Output is partially correct
37 Partially correct 235 ms 8496 KB Output is partially correct
38 Partially correct 270 ms 8436 KB Output is partially correct
39 Partially correct 324 ms 8880 KB Output is partially correct
40 Partially correct 329 ms 8952 KB Output is partially correct
41 Correct 352 ms 8904 KB Output is correct
42 Partially correct 322 ms 8972 KB Output is partially correct