Submission #980051

---

Source Code Expand

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

long long p[40000];
long long a[40000], b[40000];
int main()
{
    freopen("data.txt", "r", stdin);
    /*freopen("data.txt", "w", stdout);
    puts("20000");
    printf("%d %d ", 1, 20000);
    for(int i = 2;i < 20000;++i)
        printf("%d ", i);
    return 0;*/
    long long n;
    scanf("%lld", &n);
    for(long long i = 1; i <= n; ++i)
        scanf("%lld", &p[i]);
    for(long long i = 1; i <= n; ++i)
    {
        if(i == 1)
        {
            a[ p[i] ] = 0;
            b[ p[i] ] = 0;
        }
        else
        {
            if(p[i] > p[i - 1])
            {
                a[ p[i] ] = a[ p[i - 1] ] + (p[i] - p[i - 1]) * 20000;
                b[ p[i] ] = b[ p[i - 1] ] - (p[i] - p[i - 1]) * 19999;
            }
            else
            {
                a[ p[i] ] = a[ p[i - 1] ] - (p[i - 1] - p[i]) * 20000;
                b[ p[i] ] = b[ p[i - 1] ] + (p[i - 1] - p[i]) * 19999;
            }
        }
    }
    long long t = 1000000000000ll;
    for(long long i = 1;i <= n;++i)
        t = min(t, min((a[i] - 1), (b[i] - 1)));
    for(long long i = 1;i <= n;++i)
    {
        a[i] -= t;
        b[i] -= t;
    }
    for(long long i = 1; i <= n; ++i)
    {
        if(i == 1)
            printf("%lld", a[i]);
        else
            printf(" %lld", a[i]);
    }
    printf("\n");
    for(long long i = 1; i <= n; ++i)
    {
        if(i == 1)
            printf("%lld", b[i]);
        else
            printf(" %lld", b[i]);
    }
    printf("\n");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     freopen("data.txt", "r", stdin);
                                    ^
./Main.cpp:16:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &n);
                      ^
./Main.cpp:18:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &p[i]);
                             ^

Judge Result