#include <iostream>
#include <ctime>
#include <cstdio>
#include <windows.h>

COORD pos;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);

void SP (short x, short y)
{
    pos.X = x;
    pos.Y = y;
    SetConsoleCursorPosition(hConsole, pos);
}

int pow (int a, int b)
{
    int ans = 1;
    for (int i = 0; i < b; ++i){
        ans *= a;
    }
    return ans;
}

void read_lab(bool scan)
{
    char path[8] = "1EX.txt";
    for (short i = 4; i <= 7; ++i){
        clock_t start = clock();
        path[2] = char ('0' + i);
        freopen(path, "r", stdin);
        double input;
        for (int c = 0; c < pow(10, i); ++c){
            if (scan) scanf("%f", &input);
            else std :: cin >> input;
        }
        double time = (clock() - start) / (double) CLOCKS_PER_SEC;
        if (scan) SP(5, i - 3);
        else SP(30, i - 3);
        printf("%.3f", time);
    }
}

void design_bold()
{
    std::cout << '\n' << "1E4\n" << "1E5\n" << "1E6\n" << "1E7\n";
}

void solve()
{
    design_bold();

    SP(5, 0);
    std :: cout << "Time for scanf(sec):";
    read_lab(true);

    SP(30, 0);
    std :: cout << "Time for cin(sec):";
    read_lab(false);
}

int main()
{
    try {
        solve();
    } catch (...) {
        return 1;
    }
    return 0;
}