LLI calcResult(){
    LLI result=0;       //na wszelki wypadek jakby wynik zoverflołował xd!!!
    LLI ctrRequests=0;
    for(Request r: vecRequests){
        tmpR=r;
        sortEdges();
        LLI bestRes = vecDataCenterLatency[r.endpointId];
        for(int i = 0; i < vecEdges[r.endpointId].size(); i++){
            if(vecCachedVideos[vecEdges[r.endpointId][i].first].find(r.videoId) != vecCachedVideos[vecEdges[r.endpointId][i].first].end())
                bestRes = min(bestRes, (LLI)vecEdges[r.endpointId][i].second);
        }
        LLI timeSaved = vecDataCenterLatency[r.endpointId]-bestRes;
        LLI requestResult = r.requestCounter*timeSaved;
        ctrRequests += r.requestCounter;
        result += requestResult;
    }
    result *= 1000;
    result /= ctrRequests;
    return result;
}