【数据范围】
- int : \(-2^{31}\sim 2^{31}-1 ,-2\times 10^{9}\sim 2\times 10^{9}\)
- unsigned int :\(0\sim 2^{32}-1,0\sim 4\times 10^{9}\)
- long int:\(-2^{31}\sim 2^{31}-1,-2\times 10^{9}\sim 2\times 10^{9}\)
- unsigned long int:\(0\sim 2^{32}-1,0\sim 4\times 10^{9}\)
- long long:\(-2^{63}\sim 2^{63}-1,-9\times 10^{18}\sim 9\times 10^{18}\)
- unsigned long long:\(0\sim 2^{64}-1,0\sim 1.8\times 10^{19}\)

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