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Wolf, goat and cabbage problem. Illuminated illustration depicting the wolf, goat and cabbage problem in the Ormesby Psalter, dating to 1250–1330. The wolf, goat and cabbage problem is a river crossing puzzle. It dates back to at least the 9th century, [1] and has entered the folklore of several cultures. [2] [3]
River crossing puzzle. A river crossing puzzle is a type of puzzle in which the object is to carry items from one river bank to another, usually in the fewest trips. The difficulty of the puzzle may arise from restrictions on which or how many items can be transported at the same time, or which or how many items may be safely left together. [1]
The two solutions with the vertical axis denoting time, s the start, f the finish and T the torch. The bridge and torch problem (also known as The Midnight Train [1] and Dangerous crossing [2]) is a logic puzzle that deals with four people, a bridge and a torch. It is in the category of river crossing puzzles, where a number of objects must ...
The missionaries and cannibals problem, and the closely related jealous husbands problem, are classic river-crossing logic puzzles. [1] The missionaries and cannibals problem is a well-known toy problem in artificial intelligence, where it was used by Saul Amarel as an example of problem representation. [2] [3]
The bridge’s last inspection in 2022 rated it “fair.”. In 2023, it carried 2,609,703 vehicles across the Delaware River. That same year, commission bridge monitors turned away more than ...
Actions along the Matanikau. Part of the Pacific Theater of World War II. A U.S. Marine patrol crosses the Matanikau River on Guadalcanal in September 1942. Date. 23–27 September and 6–9 October 1942. Location. Guadalcanal, Solomon Islands. 9°26′20″S 159°57′45″E / 9.43889°S 159.96250°E / -9.43889; 159.96250. Result.
Besides the Army engineer units for river-crossing, the Japanese Army had their own shipping force to transport troops at sea which sometimes acted in concert with Japanese Navy vessels to transport their forces. It was a large force which employed 300,000 soldiers (Army Shipping Units) at maximum and managed 30% of Japanese transport ships.
The Zebra Puzzle is a well-known logic puzzle. Many versions of the puzzle exist, including a version published in Life International magazine on December 17, 1962. The March 25, 1963, issue of Life contained the solution and the names of several hundred successful solvers from around the world. The puzzle is often called Einstein's Puzzle or ...