Research on the Distribution of Emergency Supplies during the COVID-19 Epidemic

Table 6

Detailed results for R2, C2, and RC2 data sets in Solomon’s standard algorithm.

Exam	Brandao							Repoussis				Jiumei Chen		This paper
	UVNS		UHGS		ILSA		BKS	EA		GRMSTS		VNS		BSOA
	TD	GAP%	TD	GAP%	TD	GAP%	TD	TD	GAP%	TD	GAP%	TD	GAP%	TD	GAP%
R201	1187.99	0.47	1182.43	0.00	1185.72	0.28	1182.43	1182.43	0.00	1188.35	0.50	1006.44	−14.88	922.61	−21.97
R202	1152.70	0.27	1149.59	0.00	1151.52	0.17	1149.59	1149.59	0.00	1151.16	0.14	948.27	−17.51	839.90	−26.94
R203	900.51	1.28	890.02	0.10	895.74	0.74	889.12	889.12	0.00	900.19	1.25	784.11	−11.81	734.82	−17.35
R204	821.67	2.99	798.13	0.04	799.31	0.19	797.83	801.46	0.45	830.96	4.15	694.50	−12.95	660.66	−17.19
R205	966.18	2.42	943.33	0.00	943.33	0.00	943.33	943.33	0.00	961.37	1.91	882.75	−6.42	827.48	−12.28
R206	883.18	2.06	865.32	0.00	872.01	0.77	865.32	869.27	0.46	883.44	2.09	816.44	−5.65	773.07	−10.66
R207	880.56	3.06	854.40	0.00	857.08	0.31	854.40	857.08	0.31	906.27	6.07	736.70	−13.78	696.75	−18.45
R208	710.74	2.38	694.67	0.06	698.58	0.63	694.24	700.53	0.91	710.73	2.38	678.04	−2.33	647.74	−6.70
R209	864.91	1.55	852.42	0.09	857.98	0.74	851.69	851.69	0.00	874.99	2.74	777.11	−8.76	742.87	−12.78
R210	908.77	2.11	891.23	0.14	895.87	0.66	890.02	892.45	0.27	915.69	2.88	820.53	−7.81	744.46	−16.35
R211	894.55	5.62	852.15	0.62	869.12	2.62	846.92	886.90	4.72	908.30	7.25	716.93	−15.35	670.67	−20.81
C201	548.51	0.00	548.51	0.00	548.51	0.00	548.51	548.51	0.00	548.51	0.00	548.51	0.00	563.18	2.67
C202	548.51	0.00	548.51	0.00	548.51	0.00	548.51	548.51	0.00	548.51	0.00	594.39	8.36	557.80	1.69
C203	548.13	0.00	548.13	0.00	548.13	0.00	548.13	548.13	0.00	548.13	0.00	605.38	10.44	555.48	1.34
C204	549.02	0.27	547.55	0.00	547.55	0.00	547.55	547.55	0.00	547.55	0.00	592.26	8.17	554.69	1.30
C205	545.83	0.00	545.83	0.00	545.83	0.00	545.83	545.83	0.00	545.83	0.00	545.83	0.00	551.52	1.04
C206	545.45	0.00	545.45	0.00	545.45	0.00	545.45	545.45	0.00	545.45	0.00	545.45	0.00	547.99	0.47
C207	545.24	0.00	545.24	0.00	545.24	0.00	545.24	545.24	0.00	545.24	0.00	555.03	1.80	555.67	1.91
C208	545.28	0.00	545.28	0.00	545.28	0.00	545.28	545.28	0.00	545.28	0.00	548.35	0.56	547.44	0.40
RC201	1321.87	1.39	1303.73	0.00	1310.31	0.50	1303.73	1303.73	0.00	1317.10	1.03	1037.92	−20.39	950.15	−27.12
RC202	1335.13	3.58	1289.86	0.06	1292.35	0.26	1289.04	1321.43	2.51	1251.37	−2.92	915.60	−28.97	840.06	−34.83
RC203	1004.88	2.79	987.28	0.99	994.30	1.71	977.56	993.29	1.61	1010.32	3.35	837.04	−14.37	776.08	−20.61
RC204	736.97	2.50	718.97	0.00	721.02	0.29	718.97	718.97	0.00	741.77	3.17	705.41	−1.89	657.88	−8.50
RC205	1193.05	0.27	1189.84	0.00	1194.58	0.40	1189.84	1189.84	0.00	1201.23	0.96	974.13	−18.13	867.46	−27.09
RC206	1102.53	1.34	1087.97	0.00	1090.67	0.25	1087.97	1091.79	0.35	1108.45	1.88	929.19	−14.59	846.81	−22.17
RC207	1015.46	1.68	999.29	0.06	1005.01	0.63	998.70	998.70	0.00	1029.81	3.12	825.62	−17.33	778.32	−22.07
RC208	786.41	2.30	769.12	0.05	773.13	0.57	768.75	769.40	0.08	779.63	1.42	714.56	−7.05	644.59	−16.15
Avg	853.48	1.49	840.53	0.08	843.78	0.43	839.78	843.91	0.43	853.54	1.61	753.20	−7.80	705.78	−12.93

Note. The bolded data in the table are the better solutions compared to the currently known best solutions.