Submission #671084

#	Time	Username	Problem	Language	Result	Execution time	Memory
671084		AdamGS	Gap (APIO16_gap)	C++17	0 / 100	22 ms	1132 KiB

gap

#include "gap.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF=1e18;
ll findGap(int t, int n) {
        ll *mi, *ma;
        MinMax(0, INF, mi, ma);
        ll x=(*ma-*mi+n-1)/(n-1), ans=x;
        ll lst=*mi;
        for(ll i=*mi; i<*ma; i+=x+1) {
                ll *a, *b;
                MinMax(i, i+x, a, b);
                if(*a==-1) continue;
                ans=max(ans, *a-lst);
                lst=*b;
        }
        return ans;
}

Compilation message (stderr)

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:8:15: warning: 'mi' is used uninitialized in this function [-Wuninitialized]
    8 |         MinMax(0, INF, mi, ma);
      |         ~~~~~~^~~~~~~~~~~~~~~~
gap.cpp:8:15: warning: 'ma' is used uninitialized in this function [-Wuninitialized]
gap.cpp:13:23: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |                 MinMax(i, i+x, a, b);
      |                 ~~~~~~^~~~~~~~~~~~~~
gap.cpp:13:23: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]

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