题解 | 合并表记录
N = int(input()) dic = {} dic_key = [] for i in range(N): x1,x2 = map(int, input().split()) if x1 in dic: dic[x1] += x2 else: dic[x1] = x2 dic_key.append(x1) dic_key.sort() for i in dic_key: print(str(i) + ' ' + str(dic[i]))
N = int(input()) dic = {} dic_key = [] for i in range(N): x1,x2 = map(int, input().split()) if x1 in dic: dic[x1] += x2 else: dic[x1] = x2 dic_key.append(x1) dic_key.sort() for i in dic_key: print(str(i) + ' ' + str(dic[i]))
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