# include <stdio.h> int main (void) { int i,j; for (i = 0; i < 3; ++i) { printf ("111\n"); for (j = 2; j < 5; ++j) { printf("222\n"); printf("333\n"); } printf ("444\n"); } return 0; }
运行结果
111
222
333
222
333
222
333
444
111
222
333
222
333
222
333
444
111
222
333
222
333
222
333
444
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原文：https://www.cnblogs.com/a188/p/12380320.html