001: Output the second integer
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
Three input integer, the integer output of the second input.
-
Entry
Only one row, a total of three integers, separated by a space between integers. Is an integer 32-bit signed integer.
-
Export
Only one line, an integer, the second integer is entered.
-
Sample input
123 456 789
-
Sample Output
456
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int a=0,b=0,c=0;
scanf("%d %d %d",&a,&b,&c);
printf("%d",b);
return 0;
}
002: Character diamond
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
Given a character, it is configured with a diagonal length of 5 characters, tilted diamond.
-
Entry
Enter only one line containing a character.
-
Export
The character made of diamond.
-
Sample input
*
-
Sample Output
* *** ***** *** *
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
char a;
scanf("%c",&a);
printf(" %c\n",a);
printf(" %c%c%c\n",a,a,a);
printf("%c%c%c%c%c\n",a,a,a,a,a);
printf(" %c%c%c\n",a,a,a);
printf(" %c\n",a);
return 0;
}
003: printable ASCII code
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
One visible character other than a space (guaranteed use% c format specifier reads in the function scanf), the output of the ASCII string.
-
Entry
A visible character other than spaces.
-
Export
A decimal integer that is the ASCII character code.
-
Sample input
A
-
Sample Output
65
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
char a;
scanf("%c",&a);
printf("%d",a);
return 0;
}
004: printing characters
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
Enter an ASCII code corresponding to the output character.
-
Entry
An integer, i.e., the ASCII codes of the characters to ensure that there is a corresponding visible characters.
-
Export
Row contains the corresponding characters.
-
Sample input
65
-
Sample Output
A
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int a;
scanf("%d",&a);
printf("%c",a);
return 0;
}
005: INTEGER type storage space
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
Each define a int, short type variable, and sequentially outputs them to the storage space (unit: bytes).
-
Entry
no.
-
Export
Line, two integers, namely, the size of the storage space two variables, separated by a space.
-
Sample input
(无)
-
Sample Output
(不提供)
-
prompt
Use sizeof function can be a particular variable amount of storage space. For example: For x int variables, the sizeof (x) is 4, i.e., the memory space x 4 bytes.
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int a = 0;
short c = 'a';
printf("%d %d",sizeof(a),sizeof(c));
return 0;
}
006: floating-point data type storage space
-
Total time limit:
1000ms
-
Memory Limit:
65536kB
-
description
Each define a float, double type variable, and sequentially outputs them to the storage space (unit: bytes).
-
Entry
no.
-
Export
Line, two integers, namely, the size of the storage space two variables, separated by a space.
-
Sample input
(无)
-
Sample Output
(不提供)
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
float a = 0.0;
double c = 0.0;
printf("%d %d",sizeof(a),sizeof(c));
return 0;
}