Solution How much is it worth solving? How much is it possible to solve? ૫͍ͤͨͱ৺ͷதͰ ࢥ͍ͬͯΔঁࢠେੜ μΠΤοτͷҙ͕ࣝ ଓ͖͠ͳ͍ μΠΤοτͷҙࣝΛ खܰʹੜΊΔͷ ૫͍ͤͨͱ͍͏ঁੑͱ ରরతͳਓ͔ͩΒ ૫͍ͤͯΔ͜ͱ͕ਖ਼ٛ ͱ͍͏෩ை͕͋ΔͨΊ ؒతʹ৽͍͠৯ੜ׆Λ ఏҊͰ͖Δ͔Β తͳղܾํ๏ʢ૫ͤΔํ๏ʣ ଟ͋͘Δ͕ɺΑΓ͍࣍ݩͰͷҙࣝ ͷมԽʹͨ͠ํ๏·ͩগͳ͍ ͨΊɺબࢶΛ૿͢͜ͱ͕Ͱ͖Δ ૫ͤΔͱ͍͏తͳղܾͰͳ͍͕ɺ ҙࣝͷଓ͖͠ͳ͍ਓʹҙࣝΛม͑Δ ͖͔͚ͬΛ༩͑Δ͜ͱ͕Ͱ͖ɺ ݁Ռͱͯ͠తͳղܾʹͭͳ͕Δ