#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
int main()
{
int choice1;
int choice2;
printf("\n\n[1]What do you want to see?\n");
printf("1. The 1980's\n");
printf("2. The 1990's\n");
printf("3. The 2000's\n");
printf("4. Quit\n");
do
{
printf("[1]Enter your choice: ");
scanf(" %d", &choice1);
switch (choice1)
{
case (1):
{
printf("\n\n[2.1]What would you like to see?\n");
printf("1. Baseball\n");
printf("2. The Movies\n");
printf("3. US Presidents\n");
printf("4. Quit\n");
printf("[2.1]Enter your choice: ");
scanf(" %d", &choice2);
if (choice2 == 1)
{
printf("\nWorld Series Champions ");
printf("of the 1980s:\n");
printf("1980: Philadelphia Phillies\n");
printf("1981: Los Angeles Dodgers\n");
printf("1982: St. Louis Cardinals\n");
printf("1983: Baltimore Orioles\n");
printf("1984: Detroit Tigers\n");
printf("1985: Kansas City Royals\n");
printf("1986: New York Mets\n");
printf("1987: Minnesota Twins\n");
printf("1988: Los Angeles Dodgers\n");
printf("1989: Oakland A's\n");
break;
} else if (choice2 == 2)
{
printf("\nOscar-Winning Movies in the 1980s:\n");
printf("1980: Ordinary People\n");
printf("1981: Chariots of Fire\n");
printf("1982: Gandhi\n");
printf("1983: Terms of Endearment\n");
printf("1984: Amadeus\n1985: Out of Africa\n");
printf("1986: Platoon\n");
printf("1987: The Last Emperor\n");
printf("1988: Rain Man\n");
printf("1989: Driving Miss Daisy\n");
break;
} else if (choice2 == 3)
{
printf("\nUS Presidents in the 1980s:\n");
printf("1980: Jimmy Carter\n");
printf("1981-1988: Ronald Reagan\n");
printf("1989: George Bush\n");
break;
} else if (choice2 == 4)
{
exit(1);
} else
{
printf("Sorry, that is not a valid choice!\n");
break;
}
}
case (2):
{
printf("\n\n[2.2]What would you like to see?\n");
printf("1. Baseball\n");
printf("2. The Movies\n");
printf("3. US Presidents\n");
printf("4. Quit\n");
printf("[2.2]Enter your choice: ");
scanf(" %d", &choice2);
if (choice2 == 1)
{
printf("\nWorld Series Champions of ");
printf("the 1990s:\n");
printf("1990: Cincinnati Reds\n");
printf("1991: Minnesota Twins\n");
printf("1992: Toronto Blue Jays\n");
printf("1993: Toronto Blue Jays\n");
printf("1994: No World Series\n");
printf("1995: Atlanta Braves\n");
printf("1996: New York Yankees\n");
printf("1997: Florida Marlins\n");
printf("1998: New York Yankees\n");
printf("1999: New York Yankees\n");
break;
} else if (choice2 == 2)
{
printf("\nOscar-Winning Movies in ");
printf("the 1990s:\n");
printf("1990: Dances with Wolves\n");
printf("1991: The Silence of the Lambs\n");
printf("1992: Unforgiven\n");
printf("1993: Schindler's List\n");
printf("1996: The English Patient\n");
printf("1997: Titanic\n");
printf("1998: Shakespeare in Love\n");
printf("1999: American Beauty\n");
break;
} else if (choice2 == 3)
{
printf("\nUS Presidents in the 1990s:\n");
printf("1990-1992: George Bush\n");
printf("1993-1999: Bill Clinton\n");
break;
} else if (choice2 == 4)
{
exit(1);
} else
{
printf("Sorry, that is not a valid choice!\n");
break;
}
}
case (3):
{
printf("\n\n[2.3]What would you like to see?\n");
printf("1. Baseball\n");
printf("2. The Movies\n");
printf("3. US Presidents\n");
printf("4. Quit\n");
printf("[2.3]Enter your choice: ");
scanf(" %d", &choice2);
if (choice2 == 1)
{
printf("\nWorld Series Champions of ");
printf("the 2000s:\n");
printf("2000: New York Yankees\n");
printf("2001: Arizona Diamondbacks\n");
printf("2002: Anaheim Angels\n");
printf("2003: Florida Marlins\n");
printf("2004: Boston Red Sox\n");
printf("2005: Chicago White Sox\n");
printf("2006: St. Louis Cardinals\n");
printf("2007: Boston Red Sox\n");
printf("2008: Philadelphia Phillies\n");
printf("2009: New York Yankees\n");
break;
} else if (choice2 == 2)
{
printf("\nOscar-Winning Movies in ");
printf("the 2000s:\n");
printf("2000: Gladiator\n");
printf("2001: A Beautiful Mind\n");
printf("2002: Chicago\n2003: The ");
printf("Lord of the Rings: The Return of the King\n");
printf("2004: Million Dollar Baby\n");
printf("2005: Crash\n");
printf("2006: The Departed\n");
printf("2007: No Country for Old Men\n");
printf("2008: Slumdog Millionaire\n");
printf("2009: The Hurt Locker\n");
break;
} else if (choice2 == 3)
{
printf("\nUS Presidents in the 2000s:\n");
printf("2000: Bill Clinton\n");
printf("2001-2008: George Bush\n");
printf("2009: Barrack Obama\n");
break;
} else if (choice2 == 4)
{
exit(1);
} else
{
printf("Sorry, that is not a valid choice!\n");
break;
}
}
case (4):
exit (1);
default:
printf("%d is not a valid choice.\n", choice1);
printf("Try again.\n");
break;
}
} while ((choice1 < 1) || (choice1 > 4));
return 0;
}
無限ループのやり方教えてください
無限ループのやり方教えてください
Re: 無限ループのやり方教えてください
>while ((choice1 > 1) || (choice1 < 4));
>かな…?
while (1);
でいいですよ
実行条件 が常に TRUE ということですからね
>かな…?
while (1);
でいいですよ
実行条件 が常に TRUE ということですからね
Re: 無限ループのやり方教えてください
for ( ; ; )
{
doit(); // 処理
}
も無限ループです。時々みかけますね
https://kaworu.jpn.org/c/C%E8%A8%80%E8% ... A%E6%96%B9
{
doit(); // 処理
}
も無限ループです。時々みかけますね
https://kaworu.jpn.org/c/C%E8%A8%80%E8% ... A%E6%96%B9