#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
#include <vector>
 
int main() {
	srand(time(nullptr));
	std::vector<double> v(10000);
	for (size_t i = 0; i < 10000; i++) {
		v[i] = (rand() % 65536) / 65536.0;
	}
	double sum = 0;
	auto f = fopen("1.csv", "w");
	for (size_t n = 0; n < 100; n++) {
		for (size_t i = 0; i < 100; i++) {
			sum += v[n * 100 + i];
		}
		auto x = sum / ((n + 1) * 100);
		fprintf(f, "%zu,%f\n", (n + 1) * 100, x);
	}
	fclose(f);
	return 0;
}

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