CPlusPlusProjectTemplate/main.cpp

#include <iostream>
#include <map>

int main() {
	std::map<std::string,bool> vals;
	for (int i=1;i<=15;i++) {
		for (int j=1;j<=15;j++) {
			for (int k=1;k<=15;k++) {
				if (i+j+k==15) {
					std::string testStr;
					int val1=i,val2=j,val3=k;
					if (i<j&&i<k) {
						val1=i;
						if (j<k) {
							val2=j;
							val3=k;
						} else {
							val2=k;
							val3=j;
						}
					}
					if (j<i&&j<k) {
						val1=j;
						if (i<k) {
							val2=i;
							val3=k;
						} else {
							val2=k;
							val3=i;
						}
					}
					if (k<i&&k<j) {
						val1=k;
						if (i<j) {
							val2=i;
							val3=j;
						} else {
							val2=j;
							val3=i;
						}
					}
					if (!vals.count(std::to_string(val1)+"_"+std::to_string(val2)+"_"+std::to_string(val3))) {
						std::cout<<std::to_string(val1)+"_"+std::to_string(val2)+"_"+std::to_string(val3)<<std::endl;
						vals[std::to_string(val1)+"_"+std::to_string(val2)+"_"+std::to_string(val3)]=true;
					}
				}
			}
		}
	}
}