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#include<signal.h>
#include<stdio.h>
void ctrlhandler( int a )
{
printf("you have press ctrl+c \n");
/* close Ïà¹Ø²Ù×÷*/
getchar();
exit(0);
}
int main()
{
signal(SIGINT,ctrlhandler);
/*ÆäËû²Ù×÷*/
getchar();
return 1;
}
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#include <stdio.h>
int main()
{
int i = 1;
int j = 0;
int k = 0;
for(;i<6;i++)
{
k = i;
for(j = 0;j<i;j++,k++)
{
printf("%d ",k);
}
printf("\n");
}
}
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