Submission #95615

#	Time	Username	Problem	Language	Result	Execution time	Memory
95615		jeff	Gap (APIO16_gap)	C++14	0 / 100	68 ms	2960 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

long long findGap(int T, int N) {
    long long l, r, y, z, ls = -1, rs = 0, a, b, i;
    MinMax(0, 1000000000000000000, &y, &z);
    for (i = 0; b < z; ++i) {
        a = y + ((z - y) / N + 2) * i;
        b = y + ((z - y) / N + 2) * (i + 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 rs;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:8:19: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
     for (i = 0; b < z; ++i) {
                 ~~^~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70