题目内容

下面程序执行后的输出结果是______。#include int main(){int x = 1, y = 0, a = 0, b = 0;switch ( x ){case 1: switch ( y ){case 0: a++; break;case 1: b++; break;}case 2: a++; b++; break;case 3: a++; b++;}printf( "a=%d,b=%d", a, b );return(0);}

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