前言

大家好，今天带来一篇新的专栏 c_牛客，不出意外的话每天更新十道题，难度也是从易到难，自己复习的同时也希望能帮助到大家，题目答案会根据我所学到的知识提供最优解。

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题目来源：牛客网

编程语言初学训练营_在线编程+题解_牛客题霸_牛客网 (nowcoder.com)

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BC1 实践出真知

题目:

代码实现:

#include <stdio.h>int main() {printf("Practice makes perfect!");
}

BC2 我是大V

题目:

代码实现:

#include <stdio.h>int main() {printf("v   v\n");printf(" v v\n");printf("  v");
}

BC3 有容乃大

题目:

答案:

#include <stdio.h>int main() {printf("The size of short is %ld bytes.\n",sizeof(short));printf("The size of int is %ld bytes.\n",sizeof(int));printf("The size of long is %ld bytes.\n",sizeof(long));printf("The size of long long is %ld bytes.\n",sizeof(long long));
}

BC6 小飞机

题目:

答案:

#include <stdio.h>int main(){printf("     **     \n");printf("     **     \n");printf("************\n");printf("************\n");printf("    *  *    \n");printf("    *  *    \n");return 0;
}

BC7 缩短二进制

题目:

答案:

#include <stdio.h>int main() {int a = 1234;printf("%#o ",a);		printf("%#X",a);	//这里使用大写X打印十六进制字母的就是大写，小写x打印的十六进制字母就是小写
}

BC8 十六进制转十进制

题目:

答案:

#include <stdio.h>int main() {int a = 0xABCDEF;printf("%15d",a);
}

BC9 printf的返回值

题目:

答案:

#include <stdio.h>int main() {int ret = printf("Hello world!");printf("\n");printf("%d",ret);
}

BC10 成绩输入输出

题目:

答案:

#include <stdio.h>int main() {int a,b,c;scanf("%d %d %d",&a,&b,&c);printf("score1=%d,score2=%d,score3=%d",a,b,c); 
}

BC11 学生基本信息输入输出

题目:

答案:

#include <stdio.h>int main() {int num;float a,b,c;scanf("%d;%f,%f,%f",&num,&a,&b,&c);printf("The each subject score of No. %d is %.2f, %.2f, %.2f.",num,a,b,c);
}

BC3 有容乃大

题目:

答案1:

#include <stdio.h>int main() {		//由于题目给定五行所以可以直接打印，当然也可以使用循环char n;scanf("%c",&n);printf("    %c\n",n);printf("   %c %c\n",n,n);printf("  %c %c %c\n",n,n,n);printf(" %c %c %c %c\n",n,n,n,n);printf("%c %c %c %c %c\n",n,n,n,n,n);
}

答案2：

#include <stdio.h>int main() {char n;scanf("%c",&n);for(int i=0;i<5;i++){for(int j=0;j<4-i;j++){printf(" ");}for(int j=0;j<i+1;j++){printf("%c ",n);}printf("\n");}
}

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完结

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