请达人帮我看看程序要如何实现下面的输入输出，多谢！
本帖最后由 blackkettle 于 2013-03-01 12:32:48 编辑 请教达人，我想在 Visual C++里实现如下的输入输出，可是写出的代码总不尽如人意。
输入
2
1 3
3
4 5 6
0
输出
2 1 3
3 4 5 6
其中，第一行的 2表示第二行中有两个数，第二行显示是哪两个数；第三行的 3表示第四行有三个数，第四行显示是哪三个数。第五行的 0表示输入结束。
输出的第一行表示输入的第一行和第二行的数；第二行表示输入的第三行和第四行的数。
我想要加上如下条件，
1.在输入的第一行的 2后（刚敲完 2），如果用户敲击了非数字键（包括字母键，符号键，空格，回车），程序就把光标移到下一行。
2.在第二行的输入时，即使输入了数目大于两个的数，比如 1 3 7，最后的输出里也不会有 7.
我写的代码如下：
#include <conio.h>
#include <iostream>
using namespace std;
const int m = 2;
const int n = 4;
int main(){
int a[m][n];
char buff[256];
int top = 0, k, i, j;
int row;
i = 0;
memset(buff,NULL,sizeof(buff));
while(true){
k = getch();
if(isdigit(k) == 0){
cout<<endl;
if(atoi(buff) == 0)
break;
else{
a[i][0] = atoi(buff);
for(j = 1; j < a[i][0] + 1; j++){
cin >> a[i][j];
}
memset(buff,NULL,sizeof(buff));
top = 0;
i++;
cin.sync();
}
}
else{
buff[top] = k;
putchar(k);
top++;
}
}
buff[top] = '\0';
row = i;
for(i = 0; i < row; i++){
for(j = 0; j < a[i][0] + 1; j++){
cout << a[i][j] << ' ';
}
cout << endl;
}
return 0;
}
#include <stdio.h>
char s[]="123 ab 4";
char *p;
int v,n,k;
void main() {
p=s;
while (1) {
k=sscanf(p,"%d%n",&v,&n);
printf("k,v,n=%d,%d,%d\n",k,v,n);
if (1==k) {
p+=n;
} else if (0==k) {
printf("skip char[%c]\n",p[0]);
p++;
} else {//EOF==k
break;
}
}
printf("End.\n");
}
//k,v,n=1,123,3
//k,v,n=0,123,3
//skip char[ ]
//k,v,n=0,123,3
//skip char[a]
//k,v,n=0,123,3
//skip char[b]
//k,v,n=1,4,2
//k,v,n=-1,4,2
//End.
#include <windows.h>
#include <stdio.h>
void ConPrint(char *CharBuffer, int len);
void ConPrintAt(int x, int y, char *CharBuffer, int len);
void gotoXY(int x, int y);
void ClearConsole(void);
void ClearConsoleToColors(int ForgC, int BackC);
void SetColorAndBackground(int ForgC, int BackC);
void SetColor(int ForgC);
void HideTheCursor(void);
void ShowTheCursor(void);
int main(int argc, char* argv[])
{
HideTheCursor();
ClearConsoleToColors(15, 1);
ClearConsole();
gotoXY(1, 1);
SetColor(14);
printf("This is a test...\n");
Sleep(5000);
ShowTheCursor();
SetColorAndBackground(15, 12);
ConPrint("This is also a test...\n", 23);
SetColorAndBackground(1, 7);
ConPrintAt(22, 15, "This is also a test...\n", 23);
gotoXY(0, 24);
SetColorAndBackground(7, 1);
return 0;
}
//This will clear the console while setting the forground and
//background colors.
void ClearConsoleToColors(int ForgC, int BackC)
{
WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F);
//Get the handle to the current output buffer...
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
//This is used to reset the carat/cursor to the top left.
COORD coord = {0, 0};
//A return value... indicating how many chars were written
//not used but we need to capture this since it will be
//written anyway (passing NULL causes an access violation).
DWORD count;
//This is a structure containing all of the console info
// it is used here to find the size of the console.
CONSOLE_SCREEN_BUFFER_INFO csbi;
//Here we will set the current color
SetConsoleTextAttribute(hStdOut, wColor);
if(GetConsoleScreenBufferInfo(hStdOut, &csbi))
{
//This fills the buffer with a given character (in this case 32=space).
FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
//This will set our cursor position for the next print statement.
SetConsoleCursorPosition(hStdOut, coord);
}
}
//This will clear the console.
void ClearConsole()
{
//Get the handle to the current output buffer...
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
//This is used to reset the carat/cursor to the top left.
COORD coord = {0, 0};
//A return value... indicating how many chars were written
// not used but we need to capture this since it will be
// written anyway (passing NULL causes an access violation).
DWORD count;
//This is a structure containing all of the console info
// it is used here to find the size of the console.
CONSOLE_SCREEN_BUFFER_INFO csbi;
//Here we will set the current color
if(GetConsoleScreenBufferInfo(hStdOut, &csbi))
{
//This fills the buffer with a given character (in this case 32=space).
FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
//This will set our cursor position for the next print statement.
SetConsoleCursorPosition(hStdOut, coord);
}
}
//This will set the position of the cursor
void gotoXY(int x, int y)
{
//Initialize the coordinates
COORD coord = {x, y};
//Set the position
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
//This will set the forground color for printing in a console window.
void SetColor(int ForgC)
{
WORD wColor;
//We will need this handle to get the current background attribute
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO csbi;
//We use csbi for the wAttributes word.
if(GetConsoleScreenBufferInfo(hStdOut, &csbi))
{
//Mask out all but the background attribute, and add in the forgournd color
wColor = (csbi.wAttributes & 0xF0) + (ForgC & 0x0F);
SetConsoleTextAttribute(hStdOut, wColor);
}
}
//This will set the forground and background color for printing in a console window.
void SetColorAndBackground(int ForgC, int BackC)
{
WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F);;
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), wColor);
}
//Direct console output
void ConPrint(char *CharBuffer, int len)
{
DWORD count;
WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), CharBuffer, len, &count, NULL);
}
//Direct Console output at a particular coordinate.
void ConPrintAt(int x, int y, char *CharBuffer, int len)
{
DWORD count;
COORD coord = {x, y};
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(hStdOut, coord);
WriteConsole(hStdOut, CharBuffer, len, &count, NULL);
}
//Hides the console cursor
void HideTheCursor()
{
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor))
{
cciCursor.bVisible = FALSE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
//Shows the console cursor
void ShowTheCursor()
{
CONSOLE_CURSOR_INFO cciCursor;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if(GetConsoleCursorInfo(hStdOut, &cciCursor))
{
cciCursor.bVisible = TRUE;
SetConsoleCursorInfo(hStdOut, &cciCursor);
}
}
#include <iostream>
#include <map>
#include <string>
using namespace std;
int main(int argc, char *argv[])
{
std::multimap<int, int*> input_map;
int num = 0;
int i = 0;
cin >> num;
while(0!=num)
{
int *value = new int[num];
for(i=0; i<num; ++i)
{
cin >> value[i];
}
input_map.insert(std::multimap<int, int*>::value_type(num, value));
cin >> num;
}
multimap<int, int*>::const_iterator itr;
for (itr=input_map.begin(); itr!=input_map.end(); ++itr)
{
cout << itr->first << " ";
for (i=0; i<itr->first; ++i)
{
cout << itr->second[i] << " ";
}
cout << endl;
}
return 0;
}
