[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fKYBeORw6Fk--Z10o1GgakLuF-kMyaamwZmCGaViBaLA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":26},[],"2026-03-25 07:33:53",327934663,[8,9],"yes","no",{"courseId":11,"courseImg":12,"courseName":13},"8336f75d6d4cb0ae106461502e8ea0e0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d8e99875725bed83e7cb68c2de07f03.jpg","C++语言程序设计","Are the following two declarations the same?char city[8] = "Dallas";char city[ ] = "Dallas"",[16,27,32,41,50,59,66,75,78,87],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],327934656,[20,21,22,23],"80","79","strlen(s)","strlen(s) – 1","The ? mark in the following code should be replaced by ___________. #include <iostream> #include <cctype> #include <cstring> using namespace std; int countLetters(const char s[ ]) { int count = 0; for (int i = 0; i < ? ; i++) { if (isalpha(s[i])) count++; } return count; } int main( ) { \u002F\u002F Prompt the user to enter a string cout << "Enter a string: "; char s[80]; cin.getline(s, 80); cout << "The number of letters in " << s << " is " << countLetters(s) << endl; return 0; }","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":25,"type":26},[],327934657,[8,9],"Are the following two declarations the same?char city[7] = "Dallas";char city[ ] = "Dallas"",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":25,"type":26},[],327934658,[36,37,38,39],"D","Dallas","Dallas0","nothing printed","Suppose char city[7] = "Dallas"; what is the output of the following statement?cout << city",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":25,"type":26},[],327934659,[45,46,47,48],"四个字节","五个字节","六个字节","七个字节","设有数组定义:char array[ ] = "China"; 则数组 array 所占的空间为( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":25,"type":26},[],327934660,[54,55,56,57],"char str[5] = "good!"","char str[ ] = "good!"","char str[8] = "good!"","char str[5] = {'g', 'o', 'o', 'd', '\\0'}","以下不能正确地为字符串赋初值的语句是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":65,"source":25,"type":26},[],327934661,[37,63,36,64],"DallasDallas","DD","What will be displayed by the following code?char s2[7] = "Dallas";char s1[14] = "Dallas";strcat(s1, s2);cout << s1",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":25,"type":26},[],327934662,[70,71,72,73],"1","0","-1","2","What will be displayed by the following code?char s2[7] = "Dallas";char s1[14] = "Dallas";cout << strcmp(s1, s2)",{"answer":76,"createTime":5,"id":6,"options":77,"question":14,"source":25,"type":26},[],[8,9],{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":25,"type":26},[],327934664,[82,83,84,85],"5","6","7","8","Suppose you declarechar city[7] = "ABCDEF";How many characters are stored in city",{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":25,"type":26},[],327934665,[82,83,84,85],"Show the output of the following code:char city[7] = "Dallas";cout << strlen(city)"]