pro1. #include"stdio.h" main() {int k,y,m,min,max,temp,w,z=2; int a[12]={31,28,31,30,31,30,31,31,30,31,30,31}; long total; char b[8]; loop:printf("\n\nPlease input year ,month:");     /*请输入年,月*/ scanf("%d,%d",&y,&m); if (y%400==0||(y%100!=0&&y%4==0)){a[1]=29;strcpy(b,"Run Nian");} /*判断是平年还是润年*/else {a[1]=28;strcpy(b,"PingNian");} if (y>=1980){min=1980;max=y;k=1;} else{min=y;max=1980;k=-1;} total=0; for (temp=min;temp

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