// windows_play.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include <Windows.h> #include <MMSystem.h> #include <map> //4行2列 static int signal_energy[4][2] = { {1,0},{2,1},{3,2},{4,3} }; int main() { int sum = 0; float i = 10; while (1) { #if 0 for (int i = 0; i < 4; i++) { sum = signal_energy[i][1] + sum; } printf("sum is %d\n",sum); break; #endif i = i / 0; printf("i = %f\n",i); } while (1); return 0; }