1990 USAMO
From AoPSWiki
The 19th USAMO took place April 24, 1990. The time limit was three and a half hours, and total scores were out of 100 points. The first link contains the full set of test problems. The rest contain each individual problem and its solution.
See Also
| 1990 USAMO (Problems) | ||
| Preceded by 1989 USAMO | 1 • 2 • 3 • 4 • 5 | Followed by 1991 USAMO |
| All USAMO Problems and Solutions | ||
