張正賢教學網站 | 1025- == != 運算子

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#include

int main() {

int a = 5, b = 3, c = 5 , d = 0;

d = (a == b) || ( a == c ); // 0=no 1=yes

// 0 or 1 //1

printf("\n1. (a == b) || ( a == c ) d = %d \n", d);

d = (a == b) || ( a <= b ); // 0=no 1=yes

// 0 or 0 // 0

printf("1. (a == b) || ( a <= b ) d = %d \n", d);

d = ( a > b) && ( a >= c ); // 0=no 1=yes

// 1 and 1 // 1

printf("1. (a > b ) && ( a >= c ) d = %d \n", d); //1

d = (a == b) && ( a <= c ); // 0=no 1=yes

// 0 and 1 // 0

printf("1. (a == b) && ( a <= b ) d = %d \n", d); //0

return 0;

}

#include

int main() {

int a = 5, b = 3, c = 5 , d = 0;

d = !( a == b);

// 0 ---> not ---> 1

printf("!( a == b) = %d \n", d); //d = 1

d = !( a >= c);

// 1 ---> not ---> 0

printf("!( a >= c) = %d \n", d); //d = 1

return 0;

}