求解鸡兔同笼。在如下 C++ 代码中,tou 代表鸡和兔的头总数,jiao 代表鸡和兔的脚总数。先后两个

输入均为正整数。关于该程序下面说法准确的是( )

int tou, jiao, tu_tou, ji_tou; cout << "请输入鸡和兔的头总数:";cin >> tou;cout << "请输入鸡和兔的脚总数:";cin >> jiao; for (tu_tou = 0; tu_tou < tou + 1; tu_tou++) { // L1   ji_tou = tou - tu_tou;   if (tu_tou * 4 + ji_tou * 2 == jiao) {      printf("兔的数量=%d,鸡的数量=%d\n", tu_tou, ji_tou);      break;   }}if (tu_tou == tou) // L2   printf("无解\n");
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