两个二十亿相加
运行下面这段程序:
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main() {
int a = 2000000000;
long long s = (long long)a + a;
cout << s << endl;
}
(本题用 g++ -std=c++17 -O0 编译。)
运行下面这段程序:
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main() {
int a = 2000000000;
long long s = (long long)a + a;
cout << s << endl;
}
(本题用 g++ -std=c++17 -O0 编译。)
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