Invoker.c

#include <stdio.h>
#include <string.h>

int main(){
	char data[100];
	scanf("%s", data);
	int Q=0, W=0, E=0, i, awal=0;
	for(i=0; i<strlen(data); i++){
		//printf("%c %d %d %d %d\n", data[i], Q, W, E, awal);
		if(data[i]=='R'){
			if(Q+W+E==3){
				if(Q==1 && W==1 && E==1)
					printf("Defeaning Blast\n");
				else if(Q==3)
					printf("Cold Snap\n");
				else if(Q==2 && W==1)
					printf("Ghost Walk\n");
				else if(Q==2 && E==1)
					printf("Ice Wall\n");
				else if(W==3)
					printf("EMP\n");
				else if(W==2 && Q==1)
					printf("Tornado\n");
				else if(W==2 && E==1)
					printf("Alacrity\n");
				else if(E==3)
					printf("Sun Strike\n");
				else if(E==2 && Q==1)
					printf("Forge Spirit\n");
				else if(E==2 && W==1)
					printf("Chaos Meteor\n");
			}
			else
				printf("Invoke Failed!\n");
		}

		if(Q+W+E==3){
			if(data[awal]=='Q')
				Q--;
			else if(data[awal]=='W')
				W--;
			else if(data[awal]=='E')
				E--;
			awal++;
			while(data[awal]=='R')
				awal++;
		}

		if(data[i]=='Q')
			Q++;
		else if(data[i]=='W')
			W++;
		else if(data[i]=='E')
			E++;
	}
	return 0;
}