#include #include #include int main(void) { clock_t start = clock(); size_t sum = 0; for ( int ch; (ch = getc(stdin)) != EOF; ) { sum += (unsigned char) ch; } clock_t end = clock(); printf("Result: %zu, Duration: %.3lf sec\n", sum, ((double)(end - start)) / CLOCKS_PER_SEC); return EXIT_SUCCESS; }