Compilare: main.cpp: In function 'int main()': main.cpp:16:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= n; i++) ~~^~~~ main.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k = 1; k <= n; k++) ~~^~~~ main.cpp:20:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k * (k - 1) / 2 >= q) break; ~~~~~~~~~~~~~~~~^~~~ main.cpp:22:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k * (k - 1) / 2 == q) { ~~~~~~~~~~~~~~~~^~~~ main.cpp:24:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = n - k + 1; i <= (n + n - k + 1) / 2; i++) { ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <=n; i++) ~~^~~ main.cpp:37:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = n - k + 1; i <= (n + n - k + 1) / 2; i++) { ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:46:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = n - k + 1 + k * (k - 1) / 2 - q; i >= n - k + 2; i--) ~~^~~~~~~~~~~~ main.cpp:51:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= n; i++) ~~^~~~