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| #pragma once | ||
| #pragma warning(disable:4996) | ||
| #include <iostream> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <time.h> | ||
| #include<string.h> | ||
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| void create_outF(int num, int sNum, char sType[5],int max, int brack,int deci, int output)//文件中输出 | ||
| { | ||
| int questionNum = num;//题目数量 | ||
| int symbolNum = sNum;//运算符种类数 | ||
| char symbolType[5]; | ||
| strcpy(symbolType, sType);//运算符 | ||
| int maxNum = max;//最大值 | ||
| int brackets = brack;//是否有括号 | ||
| int decimal = deci;//是否有小数 | ||
| int outputMode = output;//输出方式 | ||
| float number[5];//数字 | ||
| char symbol[4];//运算符 | ||
| int bracketsPosition;//括号位置 | ||
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| printf(" 生成文件成功\n"); | ||
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| srand((int)time(0));//随机数不同 | ||
| FILE* fp; | ||
| fp = fopen("四则运算.txt", "w");//文件写操作 | ||
| for (int t = 0; t < questionNum; t++)//随机数字 | ||
| { | ||
| for (int i = 0; i < 5; i++) | ||
| { | ||
| if (decimal == 0)//随机整数 | ||
| { | ||
| number[i] = rand() % (maxNum + 1); | ||
| } | ||
| else//随机小数 | ||
| { | ||
| number[i] = rand() % maxNum; | ||
| number[i] = number[i] + rand() % 100 * 0.01; | ||
| } | ||
| } | ||
| for (int i = 0; i < 4; i++)//随机符号 | ||
| { | ||
| symbol[i] = symbolType[rand() % symbolNum]; | ||
| } | ||
| for (int i = 0; i < 4; i++) | ||
| { | ||
| if ((symbol[i] == '/') && (number[i + 1] == 0))//除数不为0 | ||
| { | ||
| number[i + 1]++; | ||
| } | ||
| } | ||
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| if (outputMode == 2)//输出到文件 | ||
| { | ||
| if (decimal == 1)//整数 | ||
| { | ||
| if (brackets == 1)//无括号 | ||
| { | ||
| fprintf(fp, "%.0f%c%.0f%c%.0f%c%.0f%c%.0f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (brackets == 2)//有括号 | ||
| { | ||
| bracketsPosition = rand() % 4; | ||
| if (bracketsPosition == 0)//一二数间括号 | ||
| { | ||
| fprintf(fp, "（%.0f%c%.0f）%c%.0f%c%.0f%c%.0f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 1)//二三数间括号 | ||
| { | ||
| fprintf(fp, "%.0f%c(%.0f%c%.0f)%c%.0f%c%.0f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 2)//三四数间括号 | ||
| { | ||
| fprintf(fp, "%.0f%c%.0f%c(%.0f%c%.0f)%c%.0f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 2)//四五数间括号 | ||
| { | ||
| fprintf(fp, "%.0f%c%.0f%c%.0f%c(%.0f%c%.0f)=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| } | ||
| } | ||
| if (decimal == 2)//小数 | ||
| { | ||
| if (brackets == 1)//无括号 | ||
| { | ||
| fprintf(fp, "%.2f%c%.2f%c%.2f%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (brackets == 2)//有括号 | ||
| { | ||
| bracketsPosition = rand() % 4; | ||
| if (bracketsPosition == 0)//一二数间括号 | ||
| { | ||
| fprintf(fp, "（%.2f%c%.2f）%c%.2f%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 1)//二三数间括号 | ||
| { | ||
| fprintf(fp, "%.2f%c(%.2f%c%.2f)%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 2)//三四数间括号 | ||
| { | ||
| fprintf(fp, "%.2f%c%.2f%c(%.2f%c%.2f)%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 3)//四五数间括号 | ||
| { | ||
| fprintf(fp, "%.2f%c%.2f%c%.2f%c(%.2f%c%.2f)=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| } | ||
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| if (decimal == 2)//小数 | ||
| { | ||
| if (brackets == 1)//无括号 | ||
| { | ||
| printf(" "); | ||
| printf("%.2f%c%.2f%c%.2f%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (brackets == 2)//有括号 | ||
| { | ||
| printf(" "); | ||
| bracketsPosition = rand() % 4; | ||
| if (bracketsPosition == 0)//一二数间括号 | ||
| { | ||
| printf(" "); | ||
| printf("（%.2f%c%.2f）%c%.2f%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 1)//二三数间括号 | ||
| { | ||
| printf(" "); | ||
| printf("%.2f%c(%.2f%c%.2f)%c%.2f%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 2)//三四数间括号 | ||
| { | ||
| printf(" "); | ||
| printf("%.2f%c%.2f%c(%.2f%c%.2f)%c%.2f=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| if (bracketsPosition == 3)//四五数间括号 | ||
| { | ||
| printf(" "); | ||
| printf("%.2f%c%.2f%c%.2f%c(%.2f%c%.2f)=\n", number[0], symbol[0], number[1], symbol[1], number[2], symbol[2], number[3], symbol[3], number[4]); | ||
| } | ||
| } | ||
| } | ||
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| fclose(fp);//关闭文件 | ||
| } | ||
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