vector\u662fC++\u6807\u51c6\u5e93(std::)\u4e2d\u7684\u4e00\u4e2a\u52a8\u6001\u6570\u7ec4 \u7528\u5bb9\u5668\u6279\u91cf\u58f0\u660e\u5bf9\u8c61<\/p>\n\n\n\n \u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf\uff08 \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7ec3\u624b\uff09 vector \u7b80\u4ecb vector\u662fC++\u6807\u51c6\u5e93(std::)\u4e2d\u7684\u4e00\u4e2a\u52a8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[],"class_list":["post-61","post","type-post","status-publish","format-standard","hentry","category-cpp","category-learn"],"_links":{"self":[{"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/posts\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":3,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/posts\/61\/revisions"}],"predecessor-version":[{"id":143,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/posts\/61\/revisions\/143"}],"wp:attachment":[{"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/media?parent=61"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/categories?post=61"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/momozi.online\/index.php\/wp-json\/wp\/v2\/tags?post=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<vector><\/code> \u662f\u4e00\u4e2a\u5e8f\u5217\u5bb9\u5668\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u5728\u5bb9\u5668\u7684\u672b\u5c3e\u5feb\u901f\u5730\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002\u4e0e\u6570\u7ec4\u76f8\u6bd4\uff0c<vector><\/code> \u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u5982\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\u3001\u968f\u673a\u8bbf\u95ee\u7b49\u3002<\/p>\n\n\n\n\u58f0\u660e\u4e00\u4e2a
<vector><\/code><\/h4>\n\n\n\nvector<int> myvector;<\/pre>\n\n\n\n
vector \u4e2d\u7684\u5e38\u7528\u6210\u5458\u51fd\u6570<\/h4>\n\n\n\n
\u51fd\u6570<\/th> \u8bf4\u660e<\/th><\/tr><\/thead> push_back(const T& val)<\/code><\/td>\u5728\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20<\/td><\/tr> pop_back()<\/code><\/td>\u5220\u9664\u672b\u5c3e\u5143\u7d20<\/td><\/tr> at(size_t pos)<\/code><\/td>\u8fd4\u56de\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u5e26\u8fb9\u754c\u68c0\u67e5<\/td><\/tr> operator[]<\/code><\/td>\u8fd4\u56de\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u4e0d\u5e26\u8fb9\u754c\u68c0\u67e5<\/td><\/tr> front()<\/code><\/td>\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5143\u7d20<\/td><\/tr> back()<\/code><\/td>\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/td><\/tr> data()<\/code><\/td>\u8fd4\u56de\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488<\/td><\/tr> size()<\/code><\/td>\u8fd4\u56de\u5f53\u524d\u5143\u7d20\u6570\u91cf<\/td><\/tr> capacity()<\/code><\/td>\u8fd4\u56de\u5f53\u524d\u5206\u914d\u7684\u5bb9\u91cf<\/td><\/tr> reserve(size_t n)<\/code><\/td>\u9884\u7559\u81f3\u5c11 n<\/code> \u4e2a\u5143\u7d20\u7684\u5b58\u50a8\u7a7a\u95f4<\/td><\/tr>resize(size_t n)<\/code><\/td>\u5c06\u5143\u7d20\u6570\u91cf\u8c03\u6574\u4e3a n<\/code><\/td><\/tr>clear()<\/code><\/td>\u6e05\u7a7a\u6240\u6709\u5143\u7d20<\/td><\/tr> insert(iterator pos, val)<\/code><\/td>\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20<\/td><\/tr> erase(iterator pos)<\/code><\/td>\u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20<\/td><\/tr> begin()<\/code> \/ end()<\/code><\/td>\u8fd4\u56de\u8d77\u59cb\/\u7ed3\u675f\u8fed\u4ee3\u5668<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \u529f\u80fd\u5b9e\u73b0<\/h3>\n\n\n\n
\u79c1\u6709\u5316\u57fa\u672c\u5143\u7d20<\/h5>\n\n\n\n
class student { \/\/class\u81ea\u5e26private\u5c5e\u6027
string name;
vector<double> scores;\/\/\u901a\u8fc7 vecter<#\u7c7b\u578b>#\u5bb9\u5668\u540d \u6765\u521b\u5efa\u4e00\u4e2avector\u7ec4
int scoresnum;<\/pre>\n\n\n\n\u7528\u4e8e\u8f93\u5165\u5b66\u751f\u57fa\u672c\u4fe1\u606f\u7684\uff08\u516c\u5171\uff09\u63a5\u53e3<\/h5>\n\n\n\n
\n
scoresnum<\/code>\u6765\u50a8\u5b58\u5b66\u751f\u4eba\u6570 \u4ee5\u4fbf\u4e8e\u901a\u8fc7 for\u5faa\u73af\u6279\u91cf\u521b\u5efa\u5bf9\u8c61<\/li>\n<\/ol>\n\n\n\nstudent() {
cout << \"enter name\"<<endl;
cin >> name;
cout << \"enter the number of score\"<<endl;
cin >> scoresnum;
for (int i = 0; i < scoresnum; ++i) {
cout << \"Enter score \" << i + 1 << \": \";
double score;
cin >> score;
scores.emplace_back();<\/pre>\n\n\n\n\u7528\u4e8e\u5f97\u5230\u6bcf\u4e2a\u5b66\u751f\u5e73\u5747\u5206\u7684\uff08\u516c\u5171\uff09\u63a5\u53e3<\/h5>\n\n\n\n
double get_ave() const {
double sum = 0;
for (double score : scores) { \/\/\u904d\u5386\u5bb9\u5668\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20
sum += score;
}
return scores.empty() ? 0 : sum \/ scores.size();
}
\/\/scores.empty() \u662f C++ \u4e2d\u7528\u4e8e\u68c0\u67e5\u5bb9\u5668\u662f\u5426\u4e3a\u7a7a\u7684\u6210\u5458\u51fd\u6570\u3002
\/\/\u5982\u679c\u5bb9\u5668\u4e2d\u6ca1\u6709\u4efb\u4f55\u5143\u7d20\uff0c\u5219empty()\u8fd4\u56detrue\uff1b\u5426\u5219\u8fd4\u56defalse \u3002<\/pre>\n\n\n\n\u5c55\u793a\u5b66\u751f\u7684\u6570\u636e<\/h5>\n\n\n\n
void display() const {
cout << \"Name: \" << name << endl;
cout << \"Average Score: \" << get_ave() << endl << endl;
}<\/pre>\n\n\n\n\u4e3b\u51fd\u6570<\/h5>\n\n\n\n
int main() {
vector<student> students;
int studentsnum;
cout << \"enter the number of students: \";
cin >> studentsnum;
\u200b
for (int i = 0; i < studentsnum; ++i) {
cout << \"enter student \" << i + 1 << \": \";
students.emplace_back();
students.back().display();
}<\/pre>\n","protected":false},"excerpt":{"rendered":"