农夫过河问题

【文件属性】：
文件名称：农夫过河问题
文件大小：4KB
文件格式：C
更新时间：2017-06-30 08:55:37
农夫过河 数据结构，农夫过河。详细讲述过河 #include //0代表在河的这边;1代表在河的对岸 struct Condition{ int farmer; int wolf; int sheep; int cabbage; }; struct Condition conditions[100];//结构体条件数组 char * action [100]; void takeWolfOver(int i) //把狼来过去 { action[i]="把狼过去.---->对岸"; conditions[i+1].wolf=1; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=conditions[i].cabbage; } void takeWolfBack(int i)/*把狼带回来*/ { action[i]="带狼回来.本岸<---(wolf)"; conditions[i+1].wolf=0; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=conditions[i].cabbage; } void takeSheepOver(int i)/*把羊带过去*/ { action[i]="带羊过去.(sheep)--->对岸"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=1; conditions[i+1].cabbage=conditions[i].cabbage; } void takeSheepBack(int i)/*把羊带回来*/ { action[i]="带羊回来.本岸<---(sheep)"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=0; conditions[i+1].cabbage=conditions[i].cabbage; } void takeCabbageOver(int i)/*把菜带过去*/ { action[i]="带菜过去.(cabbage)--->对岸"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=1; } void takeCabbageBack(int i)/*把菜带回来*/ { action[i]="带菜回来.本岸<---(cabbage)"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=0; } void getOverBarely(int i)/*过河时的情况*/ { action[i]="空手过去.(barely)--->对岸"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=conditions[i].cabbage;/*全不动*/ } void getBackBarely(int i)/*返回时的情况*/ { action[i]="空手回来.本岸<---(barely)"; conditions[i+1].wolf=conditions[i].wolf; conditions[i+1].sheep=conditions[i].sheep; conditions[i+1].cabbage=conditions[i].cabbage; } void showSolution(int i)/*显示解决方法*/ { int c; printf("\n"); printf("%s\n","解决办法:"); for(c=0;c=100)/*检查循环是否出现问题*/ { printf("%s\n","渡河步骤达到100步出错"); return; } if(conditions[i].farmer==1&&conditions[i].wolf==1&&conditions[i].sheep==1&&conditions[i].cabbage==1)/*检查是否都过河*/ { showSolution(i);/*是的，都过河了.返回*/ return; } if((conditions[i].farmer!=conditions[i].wolf&&conditions[i].wolf==conditions[i].sheep)||(conditions[i].farmer!=conditions[i].sheep&&conditions[i].sheep==conditions[i].cabbage))/*检查是否丢失，出错*/ { /*不，狼会吃掉羊，或者羊会吃掉菜的*/ return; } /*检查条件是否满足*/ for(c=0;c