diff --git a/CWOJ/1193_冰封.cpp b/CWOJ/1193_冰封.cpp
new file mode 100644
index 0000000..736a4e3
--- /dev/null
+++ b/CWOJ/1193_冰封.cpp
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#define LL long long
+
+LL fast_plus(LL a, LL b, LL m) {
+	LL ret = 0;
+	while(b) {
+		if(b & 1)
+			ret = (ret + a) % m;
+		b >>= 1;
+		a = (a << 1) % m;
+	}
+	return ret;
+}
+
+LL fast_pow(LL a, LL b, LL m) {
+	LL ret = 1;
+	while(b) {
+		if(b & 1)
+			ret = fast_plus(ret, a, m);
+		b >>= 1;
+		a = fast_plus(a, a, m);
+	}
+	return ret;
+}
+
+int main() {
+	int i;
+	LL n, m, t, aa = 0;
+	char a[10005];
+	std::cin>>a>>n>>m;
+	for(i = 0; i < strlen(a); i++)
+		aa = (aa * 10 + a[i] - '0') % m;
+	if(n == 1) {	
+		std::cout<<a<<' '<<fast_pow(aa, 2, m);
+		return 0;
+	}
+	t = fast_pow(aa, n, m);
+	std::cout<<t<<' '<<fast_plus(t, aa, m);
+	return 0;
+}
diff --git a/CWOJ/1204_冰封.c b/CWOJ/1204_冰封.c
new file mode 100644
index 0000000..d4804eb
--- /dev/null
+++ b/CWOJ/1204_冰封.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+typedef long long LL;
+
+#define _CPP_
+#ifdef _CPP_
+#include <iostream>
+using namespace std;
+#endif
+
+int isp(int a, int p[10000], size_t s) {
+	if(!a || a == 1) return 0;
+	int i;
+	for(i = 0; i < s; i++)
+		if(!(a % p[i]))
+			return 0;
+	return 1;
+}
+
+int main(int argc, char *argv[]) {
+	int i, cnt, p[10000], ps = 0;
+//	memset(p, 0, sizeof(p));
+	for(i = 2; i < 35000; i++) {
+		if(isp(i, p, ps)) {
+			p[ps] = i;
+			ps++;
+		}
+	}
+	scanf("%d", &cnt);
+	while(cnt--) {
+		int i, l = 0, g = 1, z = 1, f = 0, s = 0, t = 1, started = 0;
+		int *c = (int*) malloc (ps * sizeof(int));
+		memset(c, 0, ps);
+		LL a, o;
+#ifdef _CPP_
+		cin>>a;
+#else
+		scanf("%lld", &a);
+#endif
+		o = a;
+		for(i = 0; i < ps; i++) {
+			if(a == 1) break;
+			if(!(a % p[i]) && p[i] != o || a == p[i]) {
+				if(o == p[i] && o != 2) z = 0;
+				a /= p[i];
+				c[i]++;
+				i--, l++;
+			}
+		}
+		s = ++i;
+		for(i = 0; i < s; i++) {
+			if(c[i] > 1) g = 0;
+			t *= c[i] + 1;
+			if(c[i]) started++;
+			if(started && !c[i]) z = 0;
+		}
+		free(c);
+		if(t % 3) f++;
+//		printf("%s%s%s%s\n", g ? "G" : "", z ? "Z" : "", f ? "F" : "",
+//				(!g && !z && !f) ? "FUCK" : "");
+
+		if(t % 3) f++;
+		if(g) printf("G");
+		if(z) printf("Z");
+		if(f) printf("F");
+		if(!g && !z && !f) printf("FUCK");
+		printf("\n");
+	}
+	return 0;
+}
diff --git a/CWOJ/2198-re_冰封.c b/CWOJ/2198-re_冰封.c
new file mode 100644
index 0000000..b9e9164
--- /dev/null
+++ b/CWOJ/2198-re_冰封.c
@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+ 
+void resort(char *a, int size) {
+	int i;
+	for(i = 0; i < size / 2; i++) {
+		char c = a[i];
+		a[i] = a[size - 1 - i];
+		a[size - 1 - i] = c;
+	}
+}
+int max(int a, int b) {	return a > b ? a : b; }
+int main() {
+	char *a, *b;
+	char c[700];
+	int i, mark = 0, a0 = 0, b0 = 0;
+	a = (char* ) malloc (700 * sizeof(char));
+	b = (char* ) malloc (700 * sizeof(char));
+	for(i = 0; i < sizeof(c); i++)
+		c[i] = '0';
+	scanf("%s%s", a, b);
+	if(a[0] == '-') {
+		a0 = 1;
+		a++;
+	}
+	if(b[0] == '-') {
+		b0 = 1;
+		b++;
+	}
+	resort(a, strlen(a));
+	resort(b, strlen(b));
+	int size = max(strlen(a), strlen(b));
+	for(i = 0; i < size; i++) {
+		if(i < strlen(a)) {
+			if(!(a0 == b0) && a0)
+				c[i] -= a[i] - '0';
+			else
+				c[i] += a[i] - '0';
+		}
+		if(i < strlen(b)) {
+			if(!(a0 == b0) && b0)
+				c[i] -= b[i] - '0';
+			else
+				c[i] += b[i] - '0';
+		}
+		c[i] += mark;
+		mark = 0;
+		if(c[i] > '9') {
+			c[i] -= 10;
+			mark = 1;
+		}
+		if(c[i] < '0') {
+			c[i] += 10;
+			mark = -1;
+		}
+	}
+	for(i = size; i > 0; i--)
+		if(c[i] != '0') break;
+	if(mark < 0 || a0 && b0) printf("-");
+	if(mark > 0) printf("1");
+	for(; i >= 0; i--) {
+		if(mark < 0 && (a0 != b0))
+			c[i] = '9' - (c[i] - '0');
+		printf("%c", c[i]);
+	}
+	free(a);
+	free(b);
+	return 0;
+}