Rezumat problemă

codred

#3630

Se dă n un număr natural. Să se calculeze suma \( \sum_{k=1}^{n}\left ( k!\cdot \left ( k^{2}+k+1 \right ) \right ) \).

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Detalii

Problema	codred	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64641665	Utilizator	Somodi Vlad (10ticles)
Fișier	codred.cpp	Dimensiune	4.75 KB
Data încărcării	20 Mai 2026, 08:24	Scor/rezultat	50 puncte

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Mesaj compilare

codred.cpp: In function ‘long long unsigned int putere(int, int)’:
codred.cpp:91:12: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long long unsigned int’ [-Wsign-compare]
   91 |   while (b > produs) {
      |          ~~^~~~~~~~
codred.cpp:97:16: warning: comparison of integer expressions of different signedness: ‘long long unsigned int’ and ‘int’ [-Wsign-compare]
   97 |     if (produs <= b) {
      |         ~~~~~~~^~~~
codred.cpp: In function ‘int PB_ceva()’:
codred.cpp:120:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
  120 |   for (int i = 0; i < strlen(n); i++) {
      |                   ~~^~~~~~~~~~~
codred.cpp:121:13: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  121 |     freq[n[i]]++;
      |          ~~~^
codred.cpp:124:14: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  124 |     if (freq[i] > 1) {
      |              ^
codred.cpp:125:37: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  125 |       suma /= Permutari_cu_mod(freq[i]);
      |                                     ^
codred.cpp:117:7: warning: unused variable ‘k’ [-Wunused-variable]
  117 |   int k;
      |       ^
codred.cpp: In function ‘int descompunere_factori_factoriale()’:
codred.cpp:137:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long long unsigned int’ [-Wsign-compare]
  137 |   for (int i = max(b, c) + 1; i <= a; i++) {
      |                               ~~^~~~
codred.cpp:148:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘const long long unsigned int’ [-Wsign-compare]
  148 |   for (int i = 2; i <= min(b, c); i++) {
      |                   ~~^~~~~~~~~~~~
codred.cpp:161:1: warning: no return statement in function returning non-void [-Wreturn-type]
  161 | }
      | ^
codred.cpp: In function ‘int ma2in()’:
codred.cpp:168:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long long unsigned int’ [-Wsign-compare]
  168 |   for (int i = max(b, c) + 1; i <= a; i++) {
      |                               ~~^~~~
codred.cpp:175:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘const long long unsigned int’ [-Wsign-compare]
  175 |   for (int i = 2; i <= min(b, c); i++) {
      |                   ~~^~~~~~~~~~~~
codred.cpp:165:27: warning: unused variable ‘cntc’ [-Wunused-variable]
  165 |   int cnta = 0, cntb = 0, cntc = 0;
      |                           ^~~~
codred.cpp:188:1: warning: no return statement in function returning non-void [-Wreturn-type]
  188 | }
      | ^
codred.cpp: In function ‘int main()’:
codred.cpp:230:27: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘long long unsigned int’ [-Wsign-compare]
  230 |   for (long long i = 1; i <= n; i++) {
      |                         ~~^~~~
codred.cpp: In function ‘int pb_1297()’:
codred.cpp:254:1: warning: no return statement in function returning non-void [-Wreturn-type]
  254 | }
      | ^
codred.cpp: In function ‘int prob4812()’:
codred.cpp:225:1: warning: control reaches end of non-void function [-Wreturn-type]
  225 | }
      | ^

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