由数学奥林匹克竞赛(IMO)说起

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1.2023年7月11日，第64届国际数学奥林匹克（IMO）成绩正式出炉，本届比赛共有112个国家及地区代表队参加，参赛选手共618位（男性选手551位，女性选手67位），是历年参赛人数最多的一次比赛。最终中国队团体总分位列世界第一，全员摘得金牌，其中有两人获得满分！
* 姜志城，深圳中学
* 梁行健，湖南师范大学附属中学
* 史皓嘉，浙江省诸暨市海亮高级中学满分
* 孙启傲，上海市上海中学
* 王淳稷，上海市上海中学满分
* 张鑫亮，宁波市镇海中学

2.2022年7月15日，2022年第63届IMO（国际数学奥林匹克竞赛）最终成绩公布，中国队6名选手全部获得满分，中国队以252分的成绩获得团队总分第一名！这也是IMO历史上第二个全满分的参赛队（1994年美国6名参赛选手首获全满分）。

中国队选手成绩分别如下：
刘家瑜长沙雅礼中学（42分，金牌）
江城上海中学（42分，金牌）
张贻然上海中学（42分，金牌）
廖昱博人大附中（42分，金牌）
瞿霄宇重庆巴蜀中学（42分，金牌）
张志成华中师大一附中（42分，金牌）

2022年IMO比赛前十名的国家队
中国（6金）
韩国（3金3银）
美国（4金1银1铜）
越南（2金2银2铜）
罗马尼亚（2金4银）
泰国（3金2银1铜）
德国（1金4银1铜）
伊朗（3金3银）
日本（1金4银1铜）
以色列（1金4银1铜）

3.2022年IMO在Norway首都Oslo举行，共有104个国家的589位选手参加，其中男性521名，女性68名，44位选手达到34分获得金奖，101位达到29分获银奖，140位达到23分获铜奖，210位获优秀奖。

在此前的2020和2021年，IMO均在线上进行，除中国等少数国家选手外，2022年的IMO在时隔两年后再次线下进行。

本次比赛俄罗斯选手没有参与。

4.2022赛题

5.The modern era of mathematics competitions began in 1959 when the first International Mathematical Olympiad was held in Romania among 7 Soviet Bloc countries. Each country was allowed to send up to 8 contestants and there were 6 questions, with various scores per question, adding to a total of 40 marks. All of the early competitions were relatively small and the first country from outside Eastern Europe to enter was Mongolia, in 1964. Finland sent a team in 1965 and gradually the competition expanded to include a number of other European teams, reaching 13 teams in 1967. The first team from the Americas to compete was Cuba, which joined in 1971. Vietnam entered a team in 1974, becoming the first country from South-East Asia. In 1975, the USA joined the competition with Algeria becoming the first African participating nation in 1977, by which time the number of competing countries has reached 21 countries.
1979 saw the first South American involvement, with Brazil entering, and in 1981, all continents were represented, with the addition of an Australian team as well as further teams from Africa and South America. This year also saw some standardising of the competition with each of the six questions worth exactly 7 marks giving the now familiar total of 42 as a possible maximum score per contestant.
Following a brief experiment with teams of 4 in 1982, the current standard team size of six was adopted in 1983. The competition now started to expand rapidly, reaching 50 countries in 1989 and exceeding 100 countries for the first time in 2009.
The only year since 1959 in which an official contest has not been held was in 1980. Two unofficial IMO substitute events were held in 1980. The IMO “site committee” was set up to try to ensure that there would be an IMO every year, and this committee later became the “IMO Advisory Board”. With South Africa hosting the 2014 competition, the event will have travelled to every continent and there is keen competition to host future events with hosts determined four to five years ahead of the competition.
中国第一次参加国际数学奥林匹克是在1985年。

6.著名人物

(1)Zhuo Qun (Alex) Song，中文名宋卓群，加拿大选手，6次参赛，5金1铜（2010-2015），参赛次数和获奖次数居首位。2020,2021,2022年担任加拿大队的正/副领队。
1997年出生于天津，2002年移居到加拿大，2019年毕业于普林斯顿。