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1
+ source,target
2
+ "#include <stdio.h>
3
+ int main() {
4
+ printf(""Hello, world!\n"");
5
+ return 0;
6
+ }","A simple C program that prints 'Hello, world!' to the console."
7
+ "#include <stdio.h>
8
+
9
+ int factorial(int n) {
10
+ if (n == 0)
11
+ return 1;
12
+ else
13
+ return n * factorial(n - 1);
14
+ }
15
+
16
+ int main() {
17
+ int n = 5;
18
+ printf(""Factorial of %d is %d\n"", n, factorial(n));
19
+ return 0;
20
+ }",A C program to calculate the factorial of a number using recursion.
21
+ "#include <stdio.h>
22
+
23
+ int main() {
24
+ int n, sum = 0;
25
+ printf(""Enter a number: "");
26
+ scanf(""%d"", &n);
27
+ for (int i = 1; i <= n; i++) {
28
+ sum += i;
29
+ }
30
+ printf(""Sum of first %d natural numbers is %d\n"", n, sum);
31
+ return 0;
32
+ }",A C program to calculate the sum of the first 'n' natural numbers.
33
+ "#include <stdio.h>
34
+
35
+ int main() {
36
+ double a, b, product;
37
+ printf(""Enter two numbers: "");
38
+ scanf(""%lf %lf"", &a, &b);
39
+ product = a * b;
40
+ printf(""Product = %.2lf"", product);
41
+ return 0; }",A C Program to Multiply Two Numbers
42
+ "#include <stdio.h>
43
+
44
+ int main() {
45
+
46
+ printf(""Hello, World!"");
47
+
48
+ return 0;
49
+ }","Program to Display Hello, World!"
50
+ "#include <stdio.h>
51
+
52
+ int main() {
53
+
54
+ int number;
55
+
56
+ printf(""Enter an integer:"");
57
+
58
+ scanf(""%d"", &number);
59
+
60
+ printf(""You entered: %d"", number);
61
+
62
+ return 0;}",A C Program to Print an Integer
63
+ "#include <stdio.h>
64
+
65
+ int main() {
66
+
67
+ int number;
68
+
69
+ printf(""Enter an integer:""); scanf(""%d"", &number);
70
+ // displays output
71
+ printf(""You entered: %d"", number);
72
+
73
+ return 0; }", A Program to Print an Integer
74
+ "#include <stdio.h>
75
+
76
+ int main() {
77
+
78
+ char c;
79
+
80
+ printf(""Enter a character:"");
81
+
82
+ scanf(""%c"", &c);
83
+
84
+ // %d displays the integer value of a character
85
+
86
+ // %c displays the actual character
87
+
88
+ printf(""ASCII value of %c = %d"", c, c);
89
+
90
+ return 0; }",A Program to Print SCII Value
91
+ "#include <stdio.h>
92
+
93
+ int main() {
94
+
95
+ int dividend, divisor, quotient, remainder;
96
+
97
+ printf(""Enter dividend:"");
98
+
99
+ printf(""Enter divisor:"");
100
+
101
+ scanf(""%d"", &dividend);
102
+
103
+ scanf(""%d"", &divisor);
104
+
105
+ // Computes quotient
106
+
107
+ quotient = dividend / divisor;
108
+
109
+
110
+
111
+ // Computes remainder
112
+
113
+ remainder = dividend % divisor;
114
+
115
+ printf(""Quotient = %d
116
+ "", quotient);
117
+
118
+ return 0;
119
+
120
+ }",C Program to Compute Quotient and Remainder
121
+ " #include<stdio.h>
122
+
123
+ int main() {
124
+
125
+ int intType;
126
+
127
+ float floatType;
128
+
129
+ double doubleType;
130
+
131
+
132
+
133
+ char charType;
134
+
135
+ // sizeof evaluates the size of a variable
136
+
137
+ printf(""Size of int: %zu bytes
138
+ "", sizeof(intType));
139
+
140
+ printf(""Size of float: %zu bytes
141
+ "", sizeof(floatType));
142
+
143
+ printf(""Size of double: %zu bytes
144
+ "", sizeof(doubleType));
145
+
146
+ printf(""Size of char: %zu byte
147
+ "", sizeof(charType));
148
+
149
+ return 0; }","C Program to Find the Size of int, float, double and char"
150
+ "#include <stdio.h>
151
+
152
+ int main() {
153
+
154
+ int a;
155
+
156
+ long b; // equivalent to long int b;
157
+
158
+ long long c; // equivalent to long long int c;
159
+
160
+ double e;
161
+
162
+ long double f;
163
+
164
+ printf(""Size of int = %zu bytes
165
+ "", sizeof(a));
166
+
167
+ printf(""Size of long int = %zu bytes
168
+ "", sizeof(b));
169
+
170
+ printf(""Size of long long int = %zu bytes
171
+ "", sizeof(c));
172
+
173
+ printf(""Size of double = %zu bytes
174
+ "", sizeof(e));
175
+
176
+ printf(""Size of long double = %zu bytes
177
+ "", sizeof(f));
178
+
179
+ return 0;
180
+
181
+ }",C Program to Demonstrate the Working of Keyword long
182
+ "#include<stdio.h>
183
+
184
+ int main() {
185
+
186
+ double first, second, temp;
187
+
188
+ printf(""Enter first number:"");
189
+
190
+ scanf(""%lf"", &first);
191
+
192
+ printf(""Enter second number: "");
193
+
194
+ scanf(""%lf"", &second);
195
+
196
+ // value of first is assigned to temp
197
+
198
+ temp = first;
199
+
200
+ // value of second is assigned to first
201
+
202
+ first = second;
203
+
204
+ // value of temp (initial value of first) is assigned to second
205
+
206
+ second = temp;
207
+
208
+ // %.2lf displays number up to 2 decimal points
209
+
210
+ printf(""
211
+ After swapping, first number = %.2lf
212
+ "", first);
213
+
214
+ printf(""After swapping, second number = %.2lf"", second);
215
+
216
+ return 0; }",C Program to Swap Two Numbers
217
+ " #include <stdio.h>
218
+
219
+ int main() {
220
+
221
+ int num;
222
+
223
+ printf(""Enter an integer: "");
224
+
225
+ scanf(""%d"", &num);
226
+
227
+ // true if num is perfectly divisible by 2
228
+
229
+ if(num % 2 == 0)
230
+
231
+ printf(""%d is even."", num);
232
+
233
+ else
234
+
235
+ printf(""%d is odd."", num);
236
+
237
+ return 0; }",C Program to Check Whether a Number is Even or Odd
238
+ "#include <stdio.h>
239
+
240
+ int main() {
241
+
242
+ char c;
243
+
244
+ int lowercase_vowel, uppercase_vowel;
245
+
246
+ printf(""Enter an alphabet:"");
247
+
248
+ scanf(""%c"", &c);
249
+
250
+ // evaluates to 1 if variable c is a lowercase vowel
251
+
252
+ lowercase_vowel = (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u');
253
+
254
+ // evaluates to 1 if variable c is a uppercase vowel
255
+
256
+ uppercase_vowel = (c == 'A' || c == 'E' || c == 'I' || c == 'O' || c == 'U');
257
+
258
+ // evaluates to 1 (true) if c is a vowel
259
+
260
+ if (lowercase_vowel || uppercase_vowel)
261
+
262
+ printf(""%c is a vowel."", c);
263
+
264
+ else
265
+
266
+ printf(""%c is a consonant."", c);
267
+
268
+ return 0;}", C Program to Check Whether a Character is a Vowel or Consonant
269
+ " #include <stdio.h>
270
+
271
+ int main() {
272
+
273
+ double n1, n2, n3;
274
+
275
+ printf(""Enter three different numbers: "");
276
+
277
+ scanf(""%lf %lf %lf"", &n1, &n2, &n3);
278
+
279
+ // if n1 is greater than both n2 and n3, n1 is the largest
280
+
281
+ if(n1 >= n2 && n1 >= n3)
282
+
283
+ printf(""%.2f is the largest number."", n1);
284
+
285
+ // if n2 is greater than both n1 and n3, n2 is the largest
286
+
287
+ if (n2 >= n1 && n2 >= n3)
288
+
289
+ printf(""%.2f is the largest number."", n2);
290
+
291
+ // if n3 is greater than both n1 and n2, n3 is the largest
292
+
293
+ if (n3 >= n1 && n3 >= n2)
294
+
295
+ printf(""%.2f is the largest number."", n3);
296
+
297
+ return 0;}",C Program to Find the Largest Number Among Three Numbers usinf if statement
298
+ "#include <stdio.h>
299
+
300
+ int main() {
301
+
302
+ double n1, n2, n3;
303
+
304
+ printf(""Enter three different numbers:"");
305
+
306
+ scanf(""%lf %lf %lf"", &n1, &n2, &n3);
307
+
308
+ // if n1 is greater than both n2 and n3, n1 is the largest
309
+
310
+ if (n1 >= n2 && n1 >= n3)
311
+
312
+ printf(""%.2f is the largest number."", n1);
313
+
314
+ // if n2 is greater than both n1 and n3, n2 is the largest
315
+
316
+ if (n2 >= n1 && n2 >= n3)
317
+
318
+ printf(""%.2f is the largest number."", n2);
319
+
320
+ // if n3 is greater than both n1 and n2, n3 is the largest
321
+
322
+ if (n3 >= n1 && n3 >= n2)
323
+
324
+ printf(""%.2f is the largest number."", n3);
325
+
326
+ return 0; } ",C Program to Find the Largest Number Among Three Numbers using if else statements
327
+ "#include <math.h>
328
+
329
+ #include <stdio.h>
330
+
331
+ int main() {
332
+
333
+ double a, b, c, discriminant, root1, root2, realPart, imagPart;
334
+
335
+ printf(""Enter coefficients a, b and c:"");
336
+
337
+ scanf(""%lf %lf %lf"", &a, &b, &c);
338
+
339
+ discriminant = b * b - 4 * a * c;
340
+
341
+ // condition for real and different roots
342
+
343
+ if (discriminant > 0) {
344
+
345
+ root1 = (-b + sqrt(discriminant)) / (2 * a);
346
+
347
+ root2 = (-b - sqrt(discriminant)) / (2 * a);
348
+
349
+ printf(""root1 = %.2lf and root2 = %.2lf"", root1, root2);
350
+
351
+ }
352
+
353
+ // condition for real and equal roots
354
+
355
+ else if (discriminant == 0) {
356
+
357
+ root1 = root2 = -b / (2 * a);
358
+
359
+ printf(""root1 = root2 = %.2lf;"", root1);
360
+
361
+ }
362
+
363
+ // if roots are not real
364
+
365
+ else {
366
+
367
+ realPart = -b / (2 * a);
368
+
369
+ imagPart = sqrt(-discriminant) / (2 * a);
370
+
371
+ printf(""root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi"", realPart, imagPart, realPart, imagPart);
372
+
373
+ }
374
+
375
+ return 0;
376
+
377
+ } ",C Program to Find the Roots of a Quadratic Equation
378
+ " #include <stdio.h>
379
+
380
+ int main() {
381
+
382
+ double n1, n2, n3;
383
+
384
+ printf(""Enter three numbers:"");
385
+
386
+ scanf(""%lf %lf %lf"", &n1, &n2, &n3);
387
+
388
+ // outer if statement
389
+
390
+ if (n1 >= n2) {
391
+
392
+ // inner if...else
393
+
394
+ if (n1 >= n3)
395
+
396
+ printf(""%.2lf is the largest number."", n1);
397
+
398
+ else
399
+
400
+ printf(""%.2lf is the largest number."", n3);
401
+
402
+ }
403
+
404
+ // outer else statement
405
+
406
+ else {
407
+
408
+ // inner if...else
409
+
410
+ if (n2 >= n3)
411
+
412
+ printf(""%.2lf is the largest number."", n2);
413
+
414
+ else
415
+
416
+ printf(""%.2lf is the largest number."", n3);
417
+
418
+ }
419
+
420
+ return 0;}", C Program to Find the Largest Number Among Three Numbers using nested if statement
421
+ "#include <stdio.h>
422
+
423
+ int main() {
424
+
425
+ int year;
426
+
427
+ printf(""Enter a year:"");
428
+
429
+ scanf(""%d"", &year);
430
+
431
+ // leap year if perfectly divisible by 400
432
+
433
+ if (year % 400 == 0) {
434
+
435
+ printf(""%d is a leap year."", year);
436
+
437
+ }
438
+
439
+ // not a leap year if divisible by 100
440
+
441
+ // but not divisible by 400
442
+
443
+ else if (year % 100 == 0) {
444
+
445
+ printf(""%d is not a leap year."", year);
446
+
447
+ }
448
+
449
+ // leap year if not divisible by 100
450
+
451
+ // but divisible by 4
452
+
453
+ else if (year % 4 == 0) {
454
+
455
+ printf(""%d is a leap year."", year);
456
+
457
+ }
458
+
459
+ // all other years are not leap years
460
+
461
+ else {
462
+
463
+ printf(""%d is not a leap year."", year);
464
+
465
+ }
466
+
467
+ return 0; } ",C Program to Check Leap Year
468
+ "#include <stdio.h>
469
+
470
+ int main() {
471
+
472
+ double num;
473
+
474
+ printf(""Enter a number:"");
475
+
476
+ scanf(""%lf"", &num);
477
+
478
+ if (num <= 0.0) {
479
+
480
+ if (num == 0.0)
481
+
482
+ printf(""You entered 0."");
483
+
484
+ else
485
+
486
+ printf(""You entered a negative number."");
487
+
488
+ }
489
+
490
+ else
491
+
492
+ printf(""You entered a positive number."");
493
+
494
+ return 0;
495
+
496
+ }", C Program to Check Whether a Number is Positive or Negative
497
+ "#include <stdio.h>
498
+
499
+ int main() {
500
+
501
+ char c;
502
+
503
+ printf(""Enter a character:"");
504
+
505
+ scanf(""%c"", &c);
506
+
507
+ if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
508
+
509
+ printf(""%c is an alphabet."", c);
510
+
511
+ else
512
+
513
+ printf(""%c is not an alphabet."", c);
514
+
515
+ return 0;}", C Program to Check Whether a Character is an Alphabet or not