1 #include
"stdio.h"
2 #include
"stdlib.h"
3
4 /*int main(void)
5 {
6 char ch;
7
8 ch=getchar();
9 putchar(ch);
10 }
11 */
12
13 /*int main(void)
14 {
15 int blank;
16 int counter;
17
18 scanf("%d",&blank);
19 for(counter=0;counter<blank;counter++)
20 putchar('\n'),printf("%d",counter+1);
21 }
22 */
23
24 /*int main(void)
25 {
26 int leap_year;
27 int year;
28
29 scanf("%d",&year);
30
31 if(year%400==0)
32 leap_year=1;
33 else if(year%100==0)
34 leap_year=0;
35 else if(year%4==0)
36 leap_year=1;
37 else
38 leap_year=0;
39
40 printf("%d",leap_year);
41 }
42 */
43
44 /*int main(void)
45 {
46 int which_word;
47
48 scanf("%d",&which_word);
49
50 switch(which_word)
51 {
52 case 1:
53 printf("who");
54 break;
55
56 case 2:
57 printf("what");
58 break;
59
60 case 3:
61 printf("when");
62 break;
63
64 case 4:
65 printf("where");
66 break;
67
68 case 5:
69 printf("why");
70 break;
71
72 default:
73 printf("dont't know");
74 break;
75 }
76 }
77 */
78
79 /*int main(void)
80 {
81 float sqrt_n;
82 float guess;
83 float preguess;
84
85 scanf("%f",&sqrt_n);
86
87 preguess=1.0;
88 guess=1.0;
89 do
90 {
91 preguess=guess;
92 guess=(preguess+(sqrt_n/preguess))/2;
93 printf("%f",guess);
94 printf("\n");
95 }while(preguess!=guess);
96 }
97 */
98
99 /*int main(void)
100 {
101 int n;
102 int m;
103
104 for(m=2;m<=100;m++)
105 {
106 for(n=2;n<m;n++)
107 {
108 if(m%n==0)
109 break;
110 }
111
112 if(n==m)
113 {
114 printf("%d",m);
115 printf("\n");
116 }
117 }
118 }
119 */
120
121 /*int main(void)
122 {
123 printf( "1\n2\n" );
124 for( number = 3; number <= 100; number = number + 2 ){
125 for( divisor = 3; divisor < number; divisor = divisor + 2 ){
126 if( number % divisor == 0 )
127 break;
128 }
129 if( divisor >= number )
130 printf( "%d\n", number );
131 }
132 }
133 */
134
135 /*int main(void)
136 {
137 int a,b,c;
138 int big;
139 int sma;
140 int mid;
141
142 printf("please input three numbers(1,2,3)\n");
143 scanf("%d,%d,%d",&a,&b,&c);
144
145 if(a>b)
146 if(a>c)
147 {
148 big=a;
149
150 if(b>c)
151 {
152 mid=b;
153 sma=c;
154 }
155 else
156 {
157 mid=c;
158 sma=b;
159 }
160 }
161 else
162 {
163 big=c;
164 mid=a;
165 sma=b;
166 }
167 else
168 {
169 if(b>c)
170 {
171 big=b;
172
173 if(a>c)
174 {
175 mid=a;
176 sma=c;
177 }
178 else
179 {
180 mid=c;
181 sma=a;
182 }
183 }
184 else
185 {
186 big=c;
187 mid=b;
188 sma=a;
189 }
190 }
191
192 if(mid+sma>big && big-mid<sma)
193 if(mid==sma && sma==big)
194 printf("Equilateral triangle\n");
195 else if(mid!=sma && mid!=big && sma!=big)
196 printf("Inequilateral triangle\n");
197 else
198 printf("Isosceles triangle\n");
199 else
200 printf("Is not a triangle\n");
201 }
202 */
203
204 /*int main(void)
205 {
206 float a;
207 float b;
208 float c;
209 float temp;
210 printf( "Enter the lengths of the three sides of the triangle: " );
211 scanf( "%f %f %f", &a, &b, &c );
212 if( a < b ){
213 temp = a;
214 a = b;
215 b = temp;
216 }
217 if( a < c ){
218 temp = a;
219 a = c;
220 c = temp;
221 }
222 if( b < c ){
223 temp = b;
224 b = c;
225 c = temp;
226 }
227 if( c <= 0 || b + c < a )
228 printf( "Not a triangle.\n" );
229 else if( a == b && b == c )
230 printf( "Equilateral.\n" );
231 else if( a == b || b == c )
232 printf( "Isosceles.\n" );
233 else
234 printf( "Scalene.\n" );
235 return EXIT_SUCCESS;
236 }
237 */
转载于:https://www.cnblogs.com/tclan126/p/6384588.html
