Compilare: main.cpp: In function 'void comp_dp(int)': main.cpp:77:23: warning: narrowing conversion of '(2ll * s[i])' from 'long long int' to 'int' inside { } [-Wnarrowing] L[i] = Line{2 * s[i], -(sqr(s[i]) + dp[t][i]), i}; ~~^~~~~~ main.cpp:77:31: warning: narrowing conversion of '-(sqr(((int)s[i])) + dp[t][i])' from 'long long int' to 'int' inside { } [-Wnarrowing] L[i] = Line{2 * s[i], -(sqr(s[i]) + dp[t][i]), i}; ^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:23: warning: narrowing conversion of '(2ll * s[i])' from 'long long int' to 'int' inside { } [-Wnarrowing] L[i] = Line{2 * s[i], -(sqr(s[i]) + dp[1][i]), i}; ~~^~~~~~ main.cpp:92:31: warning: narrowing conversion of '-(sqr(((int)s[i])) + dp[1][i])' from 'long long int' to 'int' inside { } [-Wnarrowing] L[i] = Line{2 * s[i], -(sqr(s[i]) + dp[1][i]), i}; ^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:81:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &k, &S); ^ main.cpp:86:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v); ^