PAT L1-010. 比较大小

(1)

#include 
   
    #include 
    
     using namespace std;intcmp(int a, int b) {    return a < b;}intmain() {    int a[3];    scanf("%d %d %d", &a[0], &a[1], &a[2]);    sort(a, a + 3, cmp);    printf("%d->%d->%d\n", a[0], a[1], a[2]);    return 0;}

(2)

#include 
   
    #include 
    
     using namespace std;intmain() {    int a, b, c;    scanf("%d %d %d", &a, &b, &c);    if( a > b ) {        swap(a, b);    }    if( a > c ) {        swap(a, c);    }    if( b > c ) {        swap(b, c);    }    printf("%d->%d->%d\n", a, b, c);    return 0;}

(3)

#include 
   
    intmain() {    int a, b, c;    scanf("%d %d %d", &a, &b, &c);    if( a < b ) {        if( b < c ) {            printf("%d->%d->%d\n", a, b, c);        }        else {            if( a < c ) {                printf("%d->%d->%d\n", a, c, b);            }            else {                printf("%d->%d->%d\n", c, a, b);            }        }    }    else {        if( a < c ) {            printf("%d->%d->%d\n", b, a, c);        }        else {            if( b < c ) {                printf("%d->%d->%d\n", b, c, a);            }            else {                printf("%d->%d->%d\n", c, b, a);            }        }    }    return 0;}

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