Freshman Cole Certa hit a go-ahead 3-pointer with 18 seconds remaining in regulation to lift Notre Dame over Stanford 56-54 in Wednesday night’s ACC contest in South Bend, Ind.Markus Burton scored 17 of his 24 points in the second half for the Fighting Irish (13-17, 7-12 ACC), who locked up a spot in next week’s conference.Certa, who began the night averaging 2.4 points, finished with six points after also hitting a trey near the end of the first half. Burton entered the game as the conference’s leading scorer at 21.1 points.A basket by Burton basket got the Irish within 36-35, but a jumper by Maxime Raynaud and Benny Gealer’s breakaway layup off a Notre Dame turnover started a 10-2 surge for Stanford. Jaylen Blakes (13 points) scored four points during the run, which put the Cardinal ahead 46-37 with 8:51 remaining.Notre Dame then answered with 15 straight points while Stanford went 5 1/2 minutes without a basket. Burton scored seven points during that burst, and his bucket to end it put the Fighting Irish up 52-46 with a little more than three minutes left.Stanford, though, used an 8-0 run, highlighted by 3-pointers from Ryan Agarwal and Blakes to lead 54-52 with 1:18 remaining. Notre Dame’s Tae Davis made one of two free throws with 59.1 seconds to make it a one-point contest.