{
  "question_id": 237824,
  "question_title": "统计某一单科成绩各分数段的分布人数",
  "question_content": "设某班有若干人，写一程序统计某一单科成绩各分数段的分布人数，每人的成绩随机输入，输入负数表示输入结束。要求按下面的格式输出统计结果（“**”表示实际分布人数）\n0～39\t**\n40～49\t**\n50～59\t**\n……\n90～100\t**",
  "difficulty": "简单",
  "answer_id": 218762,
  "answer_content": "这是上课题目？\n```\n #include <string>\n#include <iostream>\nusing namespace std;\nint main()\n{\n    int result[12] = {0};\n    int gold;\n    while (cin>>gold) {\n        if (gold < 0) {\n            break;\n        }\n        \n        int code = gold / 10;\n        if (code < 4) {\n            result[3] ++;\n        }\n        else if(code == 10) {\n            result[9] ++;\n        }\n        else {\n            result[code] ++;\n        }\n    }\n    \n    string word[] = {\"0~39\",\n    \"40~49\",\n    \"50~59\",\n    \"60~69\",\n    \"70~79\",\n    \"80~89\",\n    \"90~100\"};\n    \n    for (int i=0; i<7; i++) {\n        cout<<word[i]<<\" \"<<result[i+3]<<endl;\n    }\n    \n    return 0;\n}\n```\n这样写应该还好理解\n",
  "tag_name": "c++",
  "cpp": "#include <string>\n#include <iostream>\nusing namespace std;\nint main()\n{\n\tint result[12] = {0};\n\tint gold;\n\twhile (cin>>gold) {\n\t\tif (gold < 0) {\n\t\t\tbreak;\n\t\t}\n\t\tint code = gold / 10;\n\t\tif (code < 4) {\n\t\t\tresult[3] ++;\n\t\t}\n\t\telse if(code == 10) {\n\t\t\tresult[9] ++;\n\t\t}\n\t\telse {\n\t\t\tresult[code] ++;\n\t\t}\n\t}\n\tstring word[] = {\"0~39\",\n\t\"40~49\",\n\t\"50~59\",\n\t\"60~69\",\n\t\"70~79\",\n\t\"80~89\",\n\t\"90~100\"};\n\tfor (int i=0; i<7; i++) {\n\t\tcout<<word[i]<<\" \"<<result[i+3]<<endl;\n\t}\n\treturn 0;\n}",
  "topic_link": "https://bbs.csdn.net/topics/600470170",
  "status": 1,
  "keywords": "算法初阶,基础知识,随机算法,概率分析和随机算法",
  "license": "csdn.net",
  "notebook": {
    "cpp": "https://codechina.csdn.net/csdn/csdn-daily-code/-/jupyter/master/data/notebook/answer/ipynb/cpp/87.ipynb?type=file"
  },
  "notebook_enable": 1,
  "author": "lionta2014"
}