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A solution for the "Hartals" problem. Problem description: http://icpcres.ecs.baylor.edu/onlinejudge/external/100/10050.html Author: [Joana Matos Fonseca da Trindade](http://joanatrindade.wikidot.com) #include<stdio.h> int main() { int i,j,k,a,b,h,hd[100000],n,p,pd[150],tc,t,s; while(scanf("%d",&tc)==1) { for(i=0;i<tc;i++) { h=0; s=0; scanf("%d",&n); scanf("%d",&p); for(j=0;j<p;j++) scanf("%d",&pd[j]); for(j=0;j<p;j++) for(k=pd[j];k<=n;k+=pd[j]) if(k%7!=0 && k%7!=6) { h++; hd[h-1]=k; } for(a=1;a<h;a++) for(b=h-1;b>=a;b--) if(hd[b-1]>hd[b]) { t=hd[b-1]; hd[b-1]=hd[b]; hd[b]=t; } for(t=1;t<h;t++) if(hd[t]==hd[t-1]) … |