#include<cstdio>using namespace std;int main(){int x,g,y,r,t;scanf("%d",&t);while(t--){scanf("%d%d%d%d",&x,&g,&y,&r);x = x % (g+y+r);if(x < g) puts("GREEN");else if(x < g + y) puts("YELLOW");else puts("RED");}return 0;}
[2016-04-17][Gym][100947][A][Traffic Lights]
原文:http://www.cnblogs.com/qhy285571052/p/320db4f7fe30a3216ffb4f3a93019d3b.html