#include main() { int x,y; for(x=0, y=0; x++ + y++ <100; ){ printf("%d ",x+y); } printf("\n"); for(x=0, y=0; ++x + ++y <100; ){ printf("%d ",x+y); } printf("\n "); for(x=0, y=0; x + y <100; x++, y++ ){ printf("%d ",x+y); } printf("\n "); for(x=0, y=0; x + y <100; ++x, ++y ){ printf("%d ",x+y); } printf("\n "); }