https://codeforces.com/problemset/submission/1051/45939502

https://codeforces.com/problemset/submission/1051/45939444

bench_get_stats_quadratic: 35,233 ns/iter

test tests::bench_get_stats_fast       ... bench:  62,582,927 ns/iter (+/- 1,481,159)
test tests::bench_get_stats_quadratic  ... bench:      35,233 ns/iter (+/- 1,486)
test tests::bench_get_stats_super_fast ... bench:  36,412,402 ns/iter (+/- 1,494,893)

bench_get_stats_super_fast: 36,536,351 ns/iter

test tests::bench_get_stats_fast       ... bench:  63,140,309 ns/iter (+/- 961,326)
test tests::bench_get_stats_super_fast ... bench:  36,536,351 ns/iter (+/- 1,058,314)

https://codeforces.com/contest/1051/submission/45848568

https://codeforces.com/contest/1051/submission/45848245

bench_get_stats_fast: 61,897,159 ns/iter

test tests::bench_get_stats_fast ... bench:  61,897,159 ns/iter (+/- 2,172,789)

bench_get_stats_fast: 19,318,595 ns/iter

test tests::bench_get_stats_fast ... bench:  19,318,595 ns/iter (+/- 584,048)

bench_get_stats_fast: 61,983,519 ns/iter

test tests::bench_get_stats_fast ... bench:  61,983,519 ns/iter (+/- 1,074,108)

bench_get_stats_fast: 115,361,719 ns/iter

test tests::bench_get_stats_fast ... bench: 115,361,719 ns/iter (+/- 17,378,601)