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看看还能比这个简单么? 我瞎蒙的....#include <iostream.h> int main(int argc, char *argv[]) { int n=7,i,t; cin>>n; for(i=2;n>=i;i++) n-=i; i--;//原来多加了一个1 if(i==n) { for(t=2;t<=i-1;t++) { cout<<t+1<<" "; } cout<<i+2<<" "; } else { for(t=2;t<=i;t++) { if(i-t<n) cout<<t+1<<" "; else cout<<t<<" "; } } cout<<endl; return 0; } Followed by:
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