#include<bits/stdc++.h> using namespace std; int n=0; int main(){ for(int i=1;i<=100;i+=1){ if(i%30||i%50){ n=n+i; } } cout<<n; return 0; }

#include<bits/stdc++.h> using namespace std; int n=0; int main(){ for(int i=1;i<=100;i+=1){ if(i%30||i%50){ n=n+i; } } cout<<n; return 0; }#include<bits/stdc++.h> using namespace std; int n=0; int main(){ for(int i=1;i<=100;i+=1){ if(i%30||i%50){ n=n+i; } } cout<<n; return 0; }

#include <bits/stdc++.h> using namespace std;

int main() { int sum3 = 0; int sum5 = 0; int sum15 = 0; // 计算能被 3 整除的数的和 for (int i = 3; i <= 100; i += 3) { sum3 += i; } // 计算能被 5 整除的数的和 for (int i = 5; i <= 100; i += 5) { sum5 += i; } // 计算能被 15 整除的数的和 for (int i = 15; i <= 100; i += 15) { sum15 += i; } int sum = sum3 + sum5 - sum15; cout << sum << endl; return 0; }