python代码: n, m, k = map(int, input().split()) TC = [[i for i in map(int, input().split())]for j in range(n)] L1 = m+1 t_total = 0 L2 = k while(L1 >m): ziyuan = 0 for i in range(n): ziyuan += TC[i][1] * (TC[i][0] - k) L1 = ziyuan k += 1...