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#include <cstdio>
#include <cstdlib>
#include <cstring>

#include <algorithm>

char output[100][100] = {};

int main() {
    std::memset(output, '0', 100 * 100);

    for (int y = 0; y < 50; y++) {
        int from = y + 1;
        int to = std::min(100, 101 - y);
        for (int x = from; x < to; x++) {
            output[y][x] = '1';
        }
    }

    for (int y = 50; y < 100; y++) {
        int from = 99 - y;
        int to = y;
        for (int x = from; x < to; x++) {
            output[y][x] = '1';
        }
    }

    for (int y = 0; y < 100; y++) {
        fwrite(output[y], 1, 100, stdout);
        putchar('\n');
    }

    return 0;
}