Cod sursa(job #2000934)

Utilizator alexpetrescuAlexandru Petrescu alexpetrescu Data 15 iulie 2017 11:24:27
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.21 kb
#include <cstdio>
#include <algorithm>

#define BUF_SIZE 1 << 17

#define MAXN 500000

int v[MAXN];

FILE *fin = fopen("algsort.in", "r"), *fout = fopen("algsort.out", "w");

int pos = BUF_SIZE, poz = 0;
char buf[BUF_SIZE], buf2[BUF_SIZE], s[10];

inline char nextch() {
    if (pos == BUF_SIZE) fread(buf, 1, BUF_SIZE, fin), pos = 0;
    return buf[pos++];
}

inline int read(int &x) {
    x = 0;
    char ch = nextch();
    while (!isdigit(ch)) ch = nextch();
    while (isdigit(ch)) {
        x = 10 * x + ch - '0';
        ch = nextch();
    }
    return x;
}

inline void putch(char ch) {
    buf2[poz++] = ch;
    if (poz == BUF_SIZE) fwrite(buf2, 1, BUF_SIZE, fout), poz = 0;
}

inline void baga(int x) {
    int k = 0;
    do {
        s[++k] = x % 10;
        x /= 10;
    } while(x);

    for (; k; k--)
        putch(s[k] + '0');
}

int main() {
    int n;
    read(n);
    for (int i = 0; i < n; i++)
        read(v[i]);

    std::sort(v, v + n);

    for (int i = 0; i < n; i++) {
        baga(v[i]);
        if (i < n - 1)
            putch(' ');
    }
    putch('\n');

    fwrite(buf2, 1, poz, fout);

    fclose(fin);
    fclose(fout);
    return 0;
}