Submission #979067

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
const int N = 2e4 + 4;
int n;
int p[N];
int a[N];
int b[N];
int main(){
    scanf("%d" , &n);
    for(int i = 1 ; i <= n ; ++i){
        scanf("%d" , p + i);
    }
    for(int i = 1 ; i <= n ; ++i){
        a[i] = i;
        b[i] = n - i + 1;
    }
    for(int i = 2 ; i <= n ; ++i){
        int cur = p[i];
        int last = p[i - 1];
        if(a[cur] + b[cur] <= a[last] + b[last]){
            if(cur > last){
                int add = a[last] + b[last] - b[cur] + 1;
                for(int j = cur ; j <= n ; ++j){
                    a[j] += add;
                }
            }
            else{
                int add = a[last] + b[last] - b[cur] + 1;
                for(int j = cur ; j >= 1 ; --j){
                    b[j] += add;
                }
            }
        }
    }
    for(int i = 1 ; i <= n ; ++i){
        printf("%d%c" , a[i] , " \n"[i == n]);
    }
    for(int i = 1 ; i <= n ; ++i){
        printf("%d%c" , b[i] , " \n"[i == n]);
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d" , &n);
                     ^
./Main.cpp:11:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d" , p + i);
                            ^

Judge Result