Submission #95672

# Submission time Handle Problem Language Result Execution time Memory
95672 2019-02-02T07:29:24 Z jeff Gap (APIO16_gap) C++14
70 / 100
228 ms 3332 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;
        while (l < r) {
            MinMax(l, r, &a, &b);
            if (a >= b) break;
            v.push_back(a);
            v.push_back(b);
            l = a - 1;
            r = b - 1;
        }
        if (a > -1 && b > -1) v.push_back(a);
        sort(v.begin(), v.end());
        for (i = 1; i < v.size(); ++i) 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) rs = max(rs, v[i] - v[i - 1]);
                     ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Incorrect 2 ms 348 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 2 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 3 ms 376 KB Output isn't correct
12 Incorrect 2 ms 376 KB Output isn't correct
13 Incorrect 2 ms 376 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 15 ms 1140 KB Output isn't correct
17 Incorrect 17 ms 1140 KB Output isn't correct
18 Incorrect 18 ms 1188 KB Output isn't correct
19 Incorrect 17 ms 1208 KB Output isn't correct
20 Incorrect 13 ms 1136 KB Output isn't correct
21 Incorrect 59 ms 3308 KB Output isn't correct
22 Incorrect 59 ms 3332 KB Output isn't correct
23 Incorrect 59 ms 3312 KB Output isn't correct
24 Incorrect 61 ms 3316 KB Output isn't correct
25 Incorrect 55 ms 3276 KB Output isn't correct
26 Incorrect 62 ms 3292 KB Output isn't correct
27 Incorrect 61 ms 3280 KB Output isn't correct
28 Incorrect 59 ms 3252 KB Output isn't correct
29 Incorrect 60 ms 3316 KB Output isn't correct
30 Incorrect 47 ms 3304 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 256 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 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 348 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 59 ms 572 KB Output is correct
17 Correct 59 ms 604 KB Output is correct
18 Correct 57 ms 504 KB Output is correct
19 Correct 57 ms 576 KB Output is correct
20 Correct 40 ms 504 KB Output is correct
21 Correct 228 ms 1244 KB Output is correct
22 Correct 226 ms 1156 KB Output is correct
23 Correct 225 ms 1144 KB Output is correct
24 Correct 224 ms 1144 KB Output is correct
25 Correct 216 ms 1272 KB Output is correct
26 Correct 224 ms 1144 KB Output is correct
27 Correct 224 ms 1144 KB Output is correct
28 Correct 225 ms 1272 KB Output is correct
29 Correct 227 ms 1272 KB Output is correct
30 Correct 202 ms 1160 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct