Submission #95699

# Submission time Handle Problem Language Result Execution time Memory
95699 2019-02-02T07:48:36 Z jeff Gap (APIO16_gap) C++14
70 / 100
234 ms 2316 KB
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
 
inline unsigned long long mde(unsigned long long a, unsigned long long b, unsigned long long c) {
    unsigned long long t = 0, y = 0, z = 0, i;
    stack<unsigned long long> st;
    while (b) st.push(b % 2), b /= 2;
    while (!st.empty()) {
        z <<= 1;
        y <<= 1;
        z += a * st.top();
        st.pop();
        y += z / (1LL << 62);
        z %= (1LL << 62);
    }
    t += y / c;
    y %= c;
    for (i = 0; i < 62; ++i) {
        y <<= 1;
        z <<= 1;
        t <<= 1;
        y += z / (1LL << 62);
        z %= (1LL << 62);
        t += y / c;
        y %= c;
    }
    return t;
}
 
vector<long long> v;
 
long long findGap(int T, int N) {
    long long l, r, y, z, ls = -1, rs = 0, a, b = 0, i;
    if (T == 1) {
        l = 0;
        r = 1000000000000000000;
        for (i = 0; i < (N + 1) / 2; ++i) {
            MinMax(l, r, &a, &b);
            if (a < 0 && b < 0) break;
            v.push_back(a);
            v.push_back(b);
            l = a - 1;
            r = b + 1;
            if (l > r) break;
        }
        sort(v.begin(), v.end());
        for (i = 1; i < v.size(); ++i) if (v[i - 1] > -1) rs = max(rs, v[i] - v[i - 1]);
        return rs;
    }
    MinMax(0, 1000000000000000000, &y, &z);
    for (i = 0; i < N - 1; ++i) {
        a = y + mde(z - y, i, N - 1);
        b = y + mde(z - y, i + 1, N - 1) - 1;
        if (a >= b) continue;
        MinMax(a, b, &l, &r);
        if (l < 0 && r < 0) continue;
        if (ls > -1) rs = max(rs, l - ls);
        ls = r;
    }
	return max(rs, z - ls);
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 1; i < v.size(); ++i) if (v[i - 1] > -1) rs = max(rs, v[i] - v[i - 1]);
                     ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Incorrect 2 ms 376 KB Output isn't correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Incorrect 2 ms 376 KB Output isn't correct
8 Incorrect 4 ms 376 KB Output isn't correct
9 Incorrect 2 ms 376 KB Output isn't correct
10 Incorrect 2 ms 376 KB Output isn't correct
11 Incorrect 2 ms 376 KB Output isn't correct
12 Incorrect 2 ms 376 KB Output isn't correct
13 Incorrect 2 ms 380 KB Output isn't correct
14 Incorrect 2 ms 376 KB Output isn't correct
15 Incorrect 2 ms 376 KB Output isn't correct
16 Incorrect 11 ms 964 KB Output isn't correct
17 Incorrect 11 ms 888 KB Output isn't correct
18 Incorrect 10 ms 888 KB Output isn't correct
19 Incorrect 11 ms 932 KB Output isn't correct
20 Incorrect 7 ms 888 KB Output isn't correct
21 Incorrect 36 ms 2288 KB Output isn't correct
22 Incorrect 33 ms 2284 KB Output isn't correct
23 Incorrect 34 ms 2284 KB Output isn't correct
24 Incorrect 34 ms 2276 KB Output isn't correct
25 Incorrect 28 ms 2288 KB Output isn't correct
26 Incorrect 35 ms 2284 KB Output isn't correct
27 Incorrect 35 ms 2288 KB Output isn't correct
28 Incorrect 34 ms 2288 KB Output isn't correct
29 Incorrect 34 ms 2288 KB Output isn't correct
30 Incorrect 24 ms 2316 KB Output isn't correct
31 Incorrect 2 ms 376 KB Output isn't correct
32 Incorrect 2 ms 376 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 252 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 348 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 58 ms 580 KB Output is correct
17 Correct 52 ms 576 KB Output is correct
18 Correct 57 ms 504 KB Output is correct
19 Correct 60 ms 572 KB Output is correct
20 Correct 50 ms 576 KB Output is correct
21 Correct 234 ms 1160 KB Output is correct
22 Correct 230 ms 1156 KB Output is correct
23 Correct 228 ms 1144 KB Output is correct
24 Correct 226 ms 1144 KB Output is correct
25 Correct 219 ms 1160 KB Output is correct
26 Correct 230 ms 1144 KB Output is correct
27 Correct 229 ms 1276 KB Output is correct
28 Correct 226 ms 1144 KB Output is correct
29 Correct 231 ms 1156 KB Output is correct
30 Correct 199 ms 1144 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct