#include <stdio.h>
int x;
void mondai1( int b) {
x = b;
}
void mondai2( void ) {
static int c = 10 ;
x = c;
c++;
}
int mondai3( int d) {
x++;
d++;
return d;
}
int main( void ) {
printf ( "x = %d [GS: 2行目でグローバル変数xの初期値は0]\n " , x
) ; x = 101 ;
printf ( "x = %d [GS: グローバル変数xに101を代入]\n " , x
) ; mondai1( 102 ) ;
printf ( "x = %d [GS: mondai1でグローバル変数xに102を代入]\n " , x
) ; mondai2( ) ;
mondai2( ) ;
mondai2( ) ;
printf ( "x = %d [GS: mondai2を3回呼び、静的変数cが10、11、12と変化したため]\n " , x
) ; for ( int i = 103 ; i < 104 ; i++ ) {
int x = i;
printf ( "x = %d [LA: for文内の自動変数xにi=103を代入]\n " , x
) ; x = mondai3( i) ;
printf ( "x = %d [LA: mondai3がdを103から104に増やし、その値をローカル変数xに代入]\n " , x
) ; }
printf ( "x = %d [GS: mondai3内でグローバル変数xを12から13に増加]\n " , x
) ; return 0 ;
}
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