zoj 1763.A Simple Question of Chemistry

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A Simple Question of Chemistry

#include <fstream>#include <iostream>using namespace std;int main(int argc, char* argv[]){//ifstream cin("aaa.txt");double a,b;cin>>a;//cout.precision(2);while(cin>>b){if(b==999){//cout<<"End of Output"<<endl;printf("End of Output\n");break;}//cout<<fixed<<b-a<<endl;printf("%.2f\n",(b-a));a=b;}return 0;}


 

 

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