课件---程序设计基础-第5章- 选择控制结构--if else

if (t < 18) { printf("t=%f\tLower weight!\n", t); } if (t >= 18 && t < 25) { printf("t=%f\tStandard weight!\n", t); } if (t >= 25 && t<27) { printf("t=%f\tHigher weight!\n", t); } if (t >= 27) { printf("t=%f\tToo fat!\n", t); }

if (t < 18) printf("t=%f\tLower weight!\n", t); else if (t < 25 ) printf("t=%f\tStandard weight!\n", t); else if (t < 27 ) printf("t=%f\tHigher weight!\n", t); else printf("t=%f\tToo fat!\n", t);

if (t < 27) if (t < 25 ) if (t < 18 ) printf("t=%f\tLower weight!\n", t); else printf("t=%f\tStandard weight!\n", t); else printf("t=%f\tHigher weight!\n", t); else printf("t=%f\tToo fat!\n", t);