SPECIAL ISSUE PAPER Funding information: Beijing Natural Science Foundation Project, No. Z200002; National Natural Science Foundation of China, No. 11871081; National Natural Science Foundation of China, No. 12001039; Natural Science Foundation of Shandong Province, No. ZR2020MA029; Fundamental Research Funds for the Central Universities, USTB, FRF-TP-20-074A1 Summary The problem of maximizing the sum of a constrained submodular and a supermodular function has many applications such as social...