#include int main() { using namespace matplot; tiledlayout(2, 2); nexttile(); plot(rand(20, 0, 1)); title("Sample 1"); nexttile(); plot(rand(20, 0, 1)); title("Sample 2"); nexttile(); plot(rand(20, 0, 1)); title("Sample 3"); nexttile(); plot(rand(20, 0, 1)); title("Sample 4"); sgtitle("Size vs. Distance"); show(); return 0; }