Borderou de evaluare (job #720226)

Compilare: main.cpp: In function 'void swap(int, int)': main.cpp:47:18: warning: unused variable 'dt' [-Wunused-variable] 47 | { int t; double dt; | ^~ main.cpp: In function 'void eliminate()': main.cpp:93:24: warning: unused variable 'i' [-Wunused-variable] 93 | { int a,b,x,y,z,w;int i; | ^ main.cpp: In function 'int main()': main.cpp:157:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 157 | freopen("run.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:159:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 159 | freopen("run.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:165:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 165 | scanf("%d %d", &N,&L); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:169:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 169 | { scanf("%d %d.%d",&r[i].d,&r[i].s1,&r[i].s2); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~