#include "stdio.h" void nested(int x, int y) { int i,j,k,l,m; for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) for (k = 0; k < 10; k++) for (l = 0; l < 10; l++) for (m = 0; m < 10; m++) { y += x; if (m > 4) y++; } printf("%d\n", y); } void twice(int x, int y, int z) { int i,j,k,l,m; for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) z += x + y; for (k = 0; k < 10; k++) for (l = 0; l < 10; l++) for (m = 0; m < 10; m++) z += x + y; printf("%d\n", z); } void spill(int x, int y) { int i,j,k,l,m; for (i = 0; i < 10; i++) for (j = 0; j < 10; j++) for (k = 0; k < 10; k++) for (l = 0; l < 10; l++) y += j * x + k; printf("%d\n", y); } int main(void) { nested(0, 0); twice(0, 0, 0); spill(0, 0); return 0; }