Submission #204687

#	Time	Username	Problem	Language	Result	Execution time	Memory
204687		my99n	Just Long Neckties (JOI20_ho_t1)	C++14	100 / 100	149 ms	7032 KiB

ho_t1

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

int b[200100], c[200100], d[200100], ans[200100];
pair<int,int> a[200100];

int main(){
    int n;
    scanf("%d", &n);
    for (int i = 1; i <= n+1; i++) scanf("%d", &a[i].first), a[i].second = i;
    for (int i = 1; i <= n; i++) scanf("%d", &b[i]);
    sort(a+1, a+n+2); sort(b+1, b+n+1);
    for (int i = 1; i <= n; i++) c[i] = max(a[i].first-b[i], 0), c[i] = max(c[i], c[i-1]);
    for (int i = n; i >= 1; i--) d[i] = max(a[i+1].first-b[i], 0), d[i] = max(d[i], d[i+1]);
    for (int i = 1; i <= n+1; i++) ans[a[i].second] = max(c[i-1], d[i]);
    for (int i = 1; i <= n+1; i++) printf("%d ", ans[i]);
    return 0;
}

Compilation message (stderr)

ho_t1.cpp: In function 'int main()':
ho_t1.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
ho_t1.cpp:10:60: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n+1; i++) scanf("%d", &a[i].first), a[i].second = i;
                                    ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
ho_t1.cpp:11:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n; i++) scanf("%d", &b[i]);
                                  ~~~~~^~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91